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CERTFR-2026-AVI-0248
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Elles permettent à un attaquant de provoquer un déni de service à distance, un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 8 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - AUS 9.4 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 8 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 8 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for x86_64 9 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 | ||
| Red Hat | N/A | Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x | ||
| Red Hat | N/A | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 | ||
| Red Hat | N/A | Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 8 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.4 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 8 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 8 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 9 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 9 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64",
"product": {
"name": "N/A",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-68349",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68349"
},
{
"name": "CVE-2025-71085",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-71085"
},
{
"name": "CVE-2025-37882",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37882"
},
{
"name": "CVE-2025-38459",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38459"
},
{
"name": "CVE-2025-40271",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40271"
},
{
"name": "CVE-2022-50673",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-50673"
},
{
"name": "CVE-2025-37861",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-37861"
},
{
"name": "CVE-2026-23074",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23074"
},
{
"name": "CVE-2025-40168",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40168"
},
{
"name": "CVE-2025-39760",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39760"
},
{
"name": "CVE-2025-39993",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39993"
},
{
"name": "CVE-2025-38415",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38415"
},
{
"name": "CVE-2025-38106",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38106"
},
{
"name": "CVE-2025-38154",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38154"
},
{
"name": "CVE-2025-39817",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39817"
},
{
"name": "CVE-2026-23097",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23097"
}
],
"initial_release_date": "2026-03-06T00:00:00",
"last_revision_date": "2026-03-06T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0248",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-06T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Red Hat. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, un contournement de la politique de s\u00e9curit\u00e9 et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
"vendor_advisories": [
{
"published_at": "2026-03-02",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:3464",
"url": "https://access.redhat.com/errata/RHSA-2026:3464"
},
{
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CVE-2025-40271 (GCVE-0-2025-40271)
Vulnerability from cvelistv5
Published
2025-12-06 21:50
Modified
2026-08-05 12:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/proc: fix uaf in proc_readdir_de()
Pde is erased from subdir rbtree through rb_erase(), but not set the node
to EMPTY, which may result in uaf access. We should use RB_CLEAR_NODE()
set the erased node to EMPTY, then pde_subdir_next() will return NULL to
avoid uaf access.
We found an uaf issue while using stress-ng testing, need to run testcase
getdent and tun in the same time. The steps of the issue is as follows:
1) use getdent to traverse dir /proc/pid/net/dev_snmp6/, and current
pde is tun3;
2) in the [time windows] unregister netdevice tun3 and tun2, and erase
them from rbtree. erase tun3 first, and then erase tun2. the
pde(tun2) will be released to slab;
3) continue to getdent process, then pde_subdir_next() will return
pde(tun2) which is released, it will case uaf access.
CPU 0 | CPU 1
-------------------------------------------------------------------------
traverse dir /proc/pid/net/dev_snmp6/ | unregister_netdevice(tun->dev) //tun3 tun2
sys_getdents64() |
iterate_dir() |
proc_readdir() |
proc_readdir_de() | snmp6_unregister_dev()
pde_get(de); | proc_remove()
read_unlock(&proc_subdir_lock); | remove_proc_subtree()
| write_lock(&proc_subdir_lock);
[time window] | rb_erase(&root->subdir_node, &parent->subdir);
| write_unlock(&proc_subdir_lock);
read_lock(&proc_subdir_lock); |
next = pde_subdir_next(de); |
pde_put(de); |
de = next; //UAF |
rbtree of dev_snmp6
|
pde(tun3)
/ \
NULL pde(tun2)
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 Version: 710585d4922fd315f2cada8fbe550ae8ed23e994 |
||
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CVE-2025-38154 (GCVE-0-2025-38154)
Vulnerability from cvelistv5
Published
2025-07-03 08:35
Modified
2026-08-05 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf, sockmap: Avoid using sk_socket after free when sending
The sk->sk_socket is not locked or referenced in backlog thread, and
during the call to skb_send_sock(), there is a race condition with
the release of sk_socket. All types of sockets(tcp/udp/unix/vsock)
will be affected.
Race conditions:
'''
CPU0 CPU1
backlog::skb_send_sock
sendmsg_unlocked
sock_sendmsg
sock_sendmsg_nosec
close(fd):
...
ops->release() -> sock_map_close()
sk_socket->ops = NULL
free(socket)
sock->ops->sendmsg
^
panic here
'''
The ref of psock become 0 after sock_map_close() executed.
'''
void sock_map_close()
{
...
if (likely(psock)) {
...
// !! here we remove psock and the ref of psock become 0
sock_map_remove_links(sk, psock)
psock = sk_psock_get(sk);
if (unlikely(!psock))
goto no_psock; <=== Control jumps here via goto
...
cancel_delayed_work_sync(&psock->work); <=== not executed
sk_psock_put(sk, psock);
...
}
'''
Based on the fact that we already wait for the workqueue to finish in
sock_map_close() if psock is held, we simply increase the psock
reference count to avoid race conditions.
With this patch, if the backlog thread is running, sock_map_close() will
wait for the backlog thread to complete and cancel all pending work.
If no backlog running, any pending work that hasn't started by then will
fail when invoked by sk_psock_get(), as the psock reference count have
been zeroed, and sk_psock_drop() will cancel all jobs via
cancel_delayed_work_sync().
In summary, we require synchronization to coordinate the backlog thread
and close() thread.
The panic I catched:
'''
Workqueue: events sk_psock_backlog
RIP: 0010:sock_sendmsg+0x21d/0x440
RAX: 0000000000000000 RBX: ffffc9000521fad8 RCX: 0000000000000001
...
Call Trace:
<TASK>
? die_addr+0x40/0xa0
? exc_general_protection+0x14c/0x230
? asm_exc_general_protection+0x26/0x30
? sock_sendmsg+0x21d/0x440
? sock_sendmsg+0x3e0/0x440
? __pfx_sock_sendmsg+0x10/0x10
__skb_send_sock+0x543/0xb70
sk_psock_backlog+0x247/0xb80
...
'''
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 4959ffc65a0e94f8acaac20deac49f89e6ded52d Version: 5eabdf17fed2ad41b836bb4055ec36d95e512c50 Version: e946428439a0d2079959f5603256ac51b6047017 Version: 4b4647add7d3c8530493f7247d11e257ee425bf0 Version: 4b4647add7d3c8530493f7247d11e257ee425bf0 Version: 4b4647add7d3c8530493f7247d11e257ee425bf0 Version: 3627605de498639a3c586c8684d12c89cba11073 Version: 5.15.162 ≤ Version: 6.1.95 ≤ Version: 6.6.35 ≤ Version: 6.9.6 ≤ |
||
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CVE-2026-23074 (GCVE-0-2026-23074)
Vulnerability from cvelistv5
Published
2026-02-04 16:07
Modified
2026-08-05 12:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Enforce that teql can only be used as root qdisc
Design intent of teql is that it is only supposed to be used as root qdisc.
We need to check for that constraint.
Although not important, I will describe the scenario that unearthed this
issue for the curious.
GangMin Kim <km.kim1503@gmail.com> managed to concot a scenario as follows:
ROOT qdisc 1:0 (QFQ)
├── class 1:1 (weight=15, lmax=16384) netem with delay 6.4s
└── class 1:2 (weight=1, lmax=1514) teql
GangMin sends a packet which is enqueued to 1:1 (netem).
Any invocation of dequeue by QFQ from this class will not return a packet
until after 6.4s. In the meantime, a second packet is sent and it lands on
1:2. teql's enqueue will return success and this will activate class 1:2.
Main issue is that teql only updates the parent visible qlen (sch->q.qlen)
at dequeue. Since QFQ will only call dequeue if peek succeeds (and teql's
peek always returns NULL), dequeue will never be called and thus the qlen
will remain as 0. With that in mind, when GangMin updates 1:2's lmax value,
the qfq_change_class calls qfq_deact_rm_from_agg. Since the child qdisc's
qlen was not incremented, qfq fails to deactivate the class, but still
frees its pointers from the aggregate. So when the first packet is
rescheduled after 6.4 seconds (netem's delay), a dangling pointer is
accessed causing GangMin's causing a UAF.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2025-68349 (GCVE-0-2025-68349)
Vulnerability from cvelistv5
Published
2025-12-24 10:32
Modified
2026-08-05 12:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
Fixes a crash when layout is null during this call stack:
write_inode
-> nfs4_write_inode
-> pnfs_layoutcommit_inode
pnfs_set_layoutcommit relies on the lseg refcount to keep the layout
around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt
to reference a null layout.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a Version: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a |
||
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CVE-2025-39760 (GCVE-0-2025-39760)
Vulnerability from cvelistv5
Published
2025-09-11 16:52
Modified
2026-06-11 18:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: core: config: Prevent OOB read in SS endpoint companion parsing
usb_parse_ss_endpoint_companion() checks descriptor type before length,
enabling a potentially odd read outside of the buffer size.
Fix this up by checking the size first before looking at any of the
fields in the descriptor.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 Version: 842f16905dfc6743c1dd80c3d29b49ba3ab7f7c8 |
||
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CVE-2025-39817 (GCVE-0-2025-39817)
Vulnerability from cvelistv5
Published
2025-09-16 13:00
Modified
2026-08-05 12:05
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
Observed on kernel 6.6 (present on master as well):
BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0
Call trace:
kasan_check_range+0xe8/0x190
__asan_loadN+0x1c/0x28
memcmp+0x98/0xd0
efivarfs_d_compare+0x68/0xd8
__d_lookup_rcu_op_compare+0x178/0x218
__d_lookup_rcu+0x1f8/0x228
d_alloc_parallel+0x150/0x648
lookup_open.isra.0+0x5f0/0x8d0
open_last_lookups+0x264/0x828
path_openat+0x130/0x3f8
do_filp_open+0x114/0x248
do_sys_openat2+0x340/0x3c0
__arm64_sys_openat+0x120/0x1a0
If dentry->d_name.len < EFI_VARIABLE_GUID_LEN , 'guid' can become
negative, leadings to oob. The issue can be triggered by parallel
lookups using invalid filename:
T1 T2
lookup_open
->lookup
simple_lookup
d_add
// invalid dentry is added to hash list
lookup_open
d_alloc_parallel
__d_lookup_rcu
__d_lookup_rcu_op_compare
hlist_bl_for_each_entry_rcu
// invalid dentry can be retrieved
->d_compare
efivarfs_d_compare
// oob
Fix it by checking 'guid' before cmp.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: da27a24383b2b10bf6ebd0db29b325548aafecb4 Version: 688289c4b745c018b3449b4b4c5a2030083c8eaf Version: 3.8.2 ≤ |
||
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"value": "AV:L - The vulnerable `efivarfs_d_compare()` is reached only through local path-lookup syscalls (`openat`/`stat`) against the efivarfs mount at /sys/firmware/efi/efivars. There is no network or remote-peer input path into the dcache lookup for this filesystem.\nAC:L - `efivarfs_d_hash()` makes every name shorter than 36 bytes hash to the same value, so the attacker deterministically constructs the bucket collision and length match rather than guessing them, and both sides of the parallel-lookup race are attacker threads that can retry in a tight loop indefinitely. No condition outside the attacker\u0027s control is required.\nPR:L - The efivarfs root directory is mode 0755 and lookup requires only MAY_EXEC, so any unprivileged local user can issue the two concurrent `openat()` calls; `-\u003elookup` is `simple_lookup` with no name validation and no write permission needed. No capability, and no root, is involved.\nUI:N - The attacker drives both racing lookups themselves with no victim participation. efivarfs being mounted is a default-deployment property of UEFI systems (systemd mounts it at boot), not an action a user must be tricked into performing.\nS:U - The out-of-bounds read stays within kernel slab memory under the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The negative `guid` is promoted to a ~2^64 `size_t`, giving a length-unbounded read that walks past the `dentry_cache` object into arbitrary adjacent kernel heap memory, and the attacker controls the comparison bytes on both sides so the early-exit point of `memcmp` acts as an oracle on that memory. Per kernel guidance an unbounded OOB read scores High.\nI:N - `efivarfs_d_compare()` performs only `memcmp`/`strncasecmp` reads and writes nothing; a false dentry match that could redirect a lookup to the wrong EFI variable would require ~2^64 consecutive matching bytes, which faults long before it could occur.\nA:H - The KASAN trace in the fix commit documents a slab-out-of-bounds abort, and the unbounded read readily runs off the slab page into unmapped memory, producing an oops or panic (and an immediate panic under KASAN/panic_on_oops). The attacker can retrigger it at will from an unprivileged loop."
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CVE-2026-23097 (GCVE-0-2026-23097)
Vulnerability from cvelistv5
Published
2026-02-04 16:08
Modified
2026-06-11 18:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
migrate: correct lock ordering for hugetlb file folios
Syzbot has found a deadlock (analyzed by Lance Yang):
1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock).
2) Task (5754): Holds i_mmap_rwsem(write lock), then tries to acquire
folio_lock.
migrate_pages()
-> migrate_hugetlbs()
-> unmap_and_move_huge_page() <- Takes folio_lock!
-> remove_migration_ptes()
-> __rmap_walk_file()
-> i_mmap_lock_read() <- Waits for i_mmap_rwsem(read lock)!
hugetlbfs_fallocate()
-> hugetlbfs_punch_hole() <- Takes i_mmap_rwsem(write lock)!
-> hugetlbfs_zero_partial_page()
-> filemap_lock_hugetlb_folio()
-> filemap_lock_folio()
-> __filemap_get_folio <- Waits for folio_lock!
The migration path is the one taking locks in the wrong order according to
the documentation at the top of mm/rmap.c. So expand the scope of the
existing i_mmap_lock to cover the calls to remove_migration_ptes() too.
This is (mostly) how it used to be after commit c0d0381ade79. That was
removed by 336bf30eb765 for both file & anon hugetlb pages when it should
only have been removed for anon hugetlb pages.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: 336bf30eb76580b579dc711ded5d599d905c0217 Version: ef792d6ce0db6a56e56743b1de1716a982c3b851 Version: 5.9.9 ≤ |
||
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CVE-2025-39993 (GCVE-0-2025-39993)
Vulnerability from cvelistv5
Published
2025-10-15 07:58
Modified
2026-08-05 12:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: rc: fix races with imon_disconnect()
Syzbot reports a KASAN issue as below:
BUG: KASAN: use-after-free in __create_pipe include/linux/usb.h:1945 [inline]
BUG: KASAN: use-after-free in send_packet+0xa2d/0xbc0 drivers/media/rc/imon.c:627
Read of size 4 at addr ffff8880256fb000 by task syz-executor314/4465
CPU: 2 PID: 4465 Comm: syz-executor314 Not tainted 6.0.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:317 [inline]
print_report.cold+0x2ba/0x6e9 mm/kasan/report.c:433
kasan_report+0xb1/0x1e0 mm/kasan/report.c:495
__create_pipe include/linux/usb.h:1945 [inline]
send_packet+0xa2d/0xbc0 drivers/media/rc/imon.c:627
vfd_write+0x2d9/0x550 drivers/media/rc/imon.c:991
vfs_write+0x2d7/0xdd0 fs/read_write.c:576
ksys_write+0x127/0x250 fs/read_write.c:631
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The iMON driver improperly releases the usb_device reference in
imon_disconnect without coordinating with active users of the
device.
Specifically, the fields usbdev_intf0 and usbdev_intf1 are not
protected by the users counter (ictx->users). During probe,
imon_init_intf0 or imon_init_intf1 increments the usb_device
reference count depending on the interface. However, during
disconnect, usb_put_dev is called unconditionally, regardless of
actual usage.
As a result, if vfd_write or other operations are still in
progress after disconnect, this can lead to a use-after-free of
the usb_device pointer.
Thread 1 vfd_write Thread 2 imon_disconnect
...
if
usb_put_dev(ictx->usbdev_intf0)
else
usb_put_dev(ictx->usbdev_intf1)
...
while
send_packet
if
pipe = usb_sndintpipe(
ictx->usbdev_intf0) UAF
else
pipe = usb_sndctrlpipe(
ictx->usbdev_intf0, 0) UAF
Guard access to usbdev_intf0 and usbdev_intf1 after disconnect by
checking ictx->disconnected in all writer paths. Add early return
with -ENODEV in send_packet(), vfd_write(), lcd_write() and
display_open() if the device is no longer present.
Set and read ictx->disconnected under ictx->lock to ensure memory
synchronization. Acquire the lock in imon_disconnect() before setting
the flag to synchronize with any ongoing operations.
Ensure writers exit early and safely after disconnect before the USB
core proceeds with cleanup.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 Version: 21677cfc562a27e099719d413287bc8d1d24deb7 |
||
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rc: fix races with imon_disconnect()\n\nSyzbot reports a KASAN issue as below:\nBUG: KASAN: use-after-free in __create_pipe include/linux/usb.h:1945 [inline]\nBUG: KASAN: use-after-free in send_packet+0xa2d/0xbc0 drivers/media/rc/imon.c:627\nRead of size 4 at addr ffff8880256fb000 by task syz-executor314/4465\n\nCPU: 2 PID: 4465 Comm: syz-executor314 Not tainted 6.0.0-rc1-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_address_description mm/kasan/report.c:317 [inline]\nprint_report.cold+0x2ba/0x6e9 mm/kasan/report.c:433\nkasan_report+0xb1/0x1e0 mm/kasan/report.c:495\n__create_pipe include/linux/usb.h:1945 [inline]\nsend_packet+0xa2d/0xbc0 drivers/media/rc/imon.c:627\nvfd_write+0x2d9/0x550 drivers/media/rc/imon.c:991\nvfs_write+0x2d7/0xdd0 fs/read_write.c:576\nksys_write+0x127/0x250 fs/read_write.c:631\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe iMON driver improperly releases the usb_device reference in\nimon_disconnect without coordinating with active users of the\ndevice.\n\nSpecifically, the fields usbdev_intf0 and usbdev_intf1 are not\nprotected by the users counter (ictx-\u003eusers). During probe,\nimon_init_intf0 or imon_init_intf1 increments the usb_device\nreference count depending on the interface. However, during\ndisconnect, usb_put_dev is called unconditionally, regardless of\nactual usage.\n\nAs a result, if vfd_write or other operations are still in\nprogress after disconnect, this can lead to a use-after-free of\nthe usb_device pointer.\n\nThread 1 vfd_write Thread 2 imon_disconnect\n ...\n if\n usb_put_dev(ictx-\u003eusbdev_intf0)\n else\n usb_put_dev(ictx-\u003eusbdev_intf1)\n...\nwhile\n send_packet\n if\n pipe = usb_sndintpipe(\n ictx-\u003eusbdev_intf0) UAF\n else\n pipe = usb_sndctrlpipe(\n ictx-\u003eusbdev_intf0, 0) UAF\n\nGuard access to usbdev_intf0 and usbdev_intf1 after disconnect by\nchecking ictx-\u003edisconnected in all writer paths. Add early return\nwith -ENODEV in send_packet(), vfd_write(), lcd_write() and\ndisplay_open() if the device is no longer present.\n\nSet and read ictx-\u003edisconnected under ictx-\u003elock to ensure memory\nsynchronization. Acquire the lock in imon_disconnect() before setting\nthe flag to synchronize with any ongoing operations.\n\nEnsure writers exit early and safely after disconnect before the USB\ncore proceeds with cleanup.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerable code is reached through an ordinary `write(2)` syscall on the `/dev/lcd0` character device (`vfd_write`/`lcd_write` \u2192 `send_packet`), i.e. a local attack surface reached via a device file, with no network exposure. The disconnect that frees the `usb_device` is a triggering condition the attacker supplies (their own removable/emulated iMON device or an unplug event), not the attack interface itself.\nAC:L - The attacker controls both sides of the race: they drive an unbounded loop of `write()` calls that hold `ictx-\u003elock` for seconds at a time (`send_packet` waits up to 10 s per packet, six packets per write) while triggering device removal, giving an extremely wide and repeatable window. Syzkaller reproduces it, and failed attempts are harmless, so it can be retried until it lands.\nPR:L - No capability, `CAP_SYS_ADMIN`, or other privilege check exists anywhere on the path \u2014 `display_open()` only checks `display_supported`/`display_isopen`, and `vfd_write`/`lcd_write` go straight to `send_packet()`. Any unprivileged process able to open the display node (routinely group-accessible on media/HTPC systems, and the node the LIRC/LCDproc userspace stack writes to) can trigger it.\nUI:N - The attacker\u0027s own process performs the writes, and the disconnect side is produced by the attacker\u0027s device or unplug action rather than by a victim. No action by another user is needed at any point.\nS:U - The use-after-free corrupts kernel memory within the same kernel security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The freed `struct usb_device` is read via `__create_pipe()` (`dev-\u003edevnum`) and then throughout `usb_submit_urb()` (`dev-\u003estate`, `dev-\u003eep_out[]`, `dev-\u003ebus`), so an attacker who reclaims the slab object can read back kernel data and pointers, and the UAF is a general primitive for arbitrary memory disclosure.\nI:H - The stale pointer is stored into the URB and submitted, causing `usb_get_dev(urb-\u003edev)` to write (atomic increment) into freed memory and `bus_to_hcd(urb-\u003edev-\u003ebus)-\u003edriver-\u003eurb_enqueue()` to make an indirect call through a chain rooted in attacker-reclaimable memory \u2014 a control-flow hijack and arbitrary-write primitive.\nA:H - Even without heap grooming, dereferencing and submitting an URB against a freed `usb_device` reliably produces a KASAN splat, oops, or panic, as shown in the syzbot report, and the attacker can repeat it at will."
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"title": "media: rc: fix races with imon_disconnect()",
"x_generator": {
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"datePublished": "2025-10-15T07:58:18.621Z",
"dateReserved": "2025-04-16T07:20:57.150Z",
"dateUpdated": "2026-08-05T12:06:58.054Z",
"state": "PUBLISHED"
},
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}
CVE-2025-71085 (GCVE-0-2025-71085)
Vulnerability from cvelistv5
Published
2026-01-13 15:34
Modified
2026-08-05 12:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()
There exists a kernel oops caused by a BUG_ON(nhead < 0) at
net/core/skbuff.c:2232 in pskb_expand_head().
This bug is triggered as part of the calipso_skbuff_setattr()
routine when skb_cow() is passed headroom > INT_MAX
(i.e. (int)(skb_headroom(skb) + len_delta) < 0).
The root cause of the bug is due to an implicit integer cast in
__skb_cow(). The check (headroom > skb_headroom(skb)) is meant to ensure
that delta = headroom - skb_headroom(skb) is never negative, otherwise
we will trigger a BUG_ON in pskb_expand_head(). However, if
headroom > INT_MAX and delta <= -NET_SKB_PAD, the check passes, delta
becomes negative, and pskb_expand_head() is passed a negative value for
nhead.
Fix the trigger condition in calipso_skbuff_setattr(). Avoid passing
"negative" headroom sizes to skb_cow() within calipso_skbuff_setattr()
by only using skb_cow() to grow headroom.
PoC:
Using `netlabelctl` tool:
netlabelctl map del default
netlabelctl calipso add pass doi:7
netlabelctl map add default address:0::1/128 protocol:calipso,7
Then run the following PoC:
int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
// setup msghdr
int cmsg_size = 2;
int cmsg_len = 0x60;
struct msghdr msg;
struct sockaddr_in6 dest_addr;
struct cmsghdr * cmsg = (struct cmsghdr *) calloc(1,
sizeof(struct cmsghdr) + cmsg_len);
msg.msg_name = &dest_addr;
msg.msg_namelen = sizeof(dest_addr);
msg.msg_iov = NULL;
msg.msg_iovlen = 0;
msg.msg_control = cmsg;
msg.msg_controllen = cmsg_len;
msg.msg_flags = 0;
// setup sockaddr
dest_addr.sin6_family = AF_INET6;
dest_addr.sin6_port = htons(31337);
dest_addr.sin6_flowinfo = htonl(31337);
dest_addr.sin6_addr = in6addr_loopback;
dest_addr.sin6_scope_id = 31337;
// setup cmsghdr
cmsg->cmsg_len = cmsg_len;
cmsg->cmsg_level = IPPROTO_IPV6;
cmsg->cmsg_type = IPV6_HOPOPTS;
char * hop_hdr = (char *)cmsg + sizeof(struct cmsghdr);
hop_hdr[1] = 0x9; //set hop size - (0x9 + 1) * 8 = 80
sendmsg(fd, &msg, 0);
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 Version: 2917f57b6bc15cc6787496ee5f2fdf17f0e9b7d3 |
||
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},
"title": "CISA ADP Vulnrichment"
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{
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],
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()\n\nThere exists a kernel oops caused by a BUG_ON(nhead \u003c 0) at\nnet/core/skbuff.c:2232 in pskb_expand_head().\nThis bug is triggered as part of the calipso_skbuff_setattr()\nroutine when skb_cow() is passed headroom \u003e INT_MAX\n(i.e. (int)(skb_headroom(skb) + len_delta) \u003c 0).\n\nThe root cause of the bug is due to an implicit integer cast in\n__skb_cow(). The check (headroom \u003e skb_headroom(skb)) is meant to ensure\nthat delta = headroom - skb_headroom(skb) is never negative, otherwise\nwe will trigger a BUG_ON in pskb_expand_head(). However, if\nheadroom \u003e INT_MAX and delta \u003c= -NET_SKB_PAD, the check passes, delta\nbecomes negative, and pskb_expand_head() is passed a negative value for\nnhead.\n\nFix the trigger condition in calipso_skbuff_setattr(). Avoid passing\n\"negative\" headroom sizes to skb_cow() within calipso_skbuff_setattr()\nby only using skb_cow() to grow headroom.\n\nPoC:\n\tUsing `netlabelctl` tool:\n\n netlabelctl map del default\n netlabelctl calipso add pass doi:7\n netlabelctl map add default address:0::1/128 protocol:calipso,7\n\n Then run the following PoC:\n\n int fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);\n\n // setup msghdr\n int cmsg_size = 2;\n int cmsg_len = 0x60;\n struct msghdr msg;\n struct sockaddr_in6 dest_addr;\n struct cmsghdr * cmsg = (struct cmsghdr *) calloc(1,\n sizeof(struct cmsghdr) + cmsg_len);\n msg.msg_name = \u0026dest_addr;\n msg.msg_namelen = sizeof(dest_addr);\n msg.msg_iov = NULL;\n msg.msg_iovlen = 0;\n msg.msg_control = cmsg;\n msg.msg_controllen = cmsg_len;\n msg.msg_flags = 0;\n\n // setup sockaddr\n dest_addr.sin6_family = AF_INET6;\n dest_addr.sin6_port = htons(31337);\n dest_addr.sin6_flowinfo = htonl(31337);\n dest_addr.sin6_addr = in6addr_loopback;\n dest_addr.sin6_scope_id = 31337;\n\n // setup cmsghdr\n cmsg-\u003ecmsg_len = cmsg_len;\n cmsg-\u003ecmsg_level = IPPROTO_IPV6;\n cmsg-\u003ecmsg_type = IPV6_HOPOPTS;\n char * hop_hdr = (char *)cmsg + sizeof(struct cmsghdr);\n hop_hdr[1] = 0x9; //set hop size - (0x9 + 1) * 8 = 80\n\n sendmsg(fd, \u0026msg, 0);"
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"value": "AV:N - On an IPv6-forwarding CALIPSO/SELinux gateway, a remote peer can supply a valid oversized CALIPSO hop-by-hop option; the NF_INET_FORWARD SELinux hook reaches calipso_skbuff_setattr() while relabeling the packet.\nAC:L - Once CALIPSO labeling and IPv6 forwarding are configured, the attacker controls the option length, label data, padding, and CRC and can deterministically create a sufficiently negative len_delta without a race or uncontrollable memory layout.\nPR:N - The forwarding path processes received packet metadata without an authenticated session, and CALIPSO\u0027s CRC provides no authentication, so the remote attacker needs no local credentials or capabilities.\nUI:N - A crafted packet triggers the vulnerable forwarding hook automatically without any victim action.\nS:U - The assertion and resulting denial of service remain within the host kernel\u0027s existing security authority and do not cross a virtualization or sandbox boundary.\nC:N - The negative value reaches BUG_ON before allocation or copying, and no kernel data is disclosed.\nI:N - The assertion fires before pskb_expand_head() modifies buffer storage, so the bug provides no memory corruption or write primitive.\nA:H - The reachable BUG_ON causes a kernel oops and can panic or reboot the system, with repeated packets able to retrigger the failure."
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"title": "ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()",
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CVE-2025-37861 (GCVE-0-2025-37861)
Vulnerability from cvelistv5
Published
2025-05-09 06:42
Modified
2026-08-05 11:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue
When the task management thread processes reply queues while the reset
thread resets them, the task management thread accesses an invalid queue ID
(0xFFFF), set by the reset thread, which points to unallocated memory,
causing a crash.
Add flag 'io_admin_reset_sync' to synchronize access between the reset,
I/O, and admin threads. Before a reset, the reset handler sets this flag to
block I/O and admin processing threads. If any thread bypasses the initial
check, the reset thread waits up to 10 seconds for processing to finish. If
the wait exceeds 10 seconds, the controller is marked as unrecoverable.
References
| URL | Tags | |
|---|---|---|
Impacted products
{
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"value": "AV:L - The vulnerable code is a Broadcom MPI3 SAS/NVMe HBA driver path reached only through local I/O submission, SCSI error handling, or the /dev/bsg management node; there is no remote or adjacent-network reachability.\nAC:L - The attacker controls both sides of the race \u2014 sustained I/O to a device on the controller keeps threads inside mpi3mr_process_op_reply_q() (threaded IRQ poll, blk-mq poll, or SCSI-EH task-management polling), while the same load storm drives the timeout/EH escalation and reset paths that call mpi3mr_memset_buffers(); the window can be retried indefinitely with no attacker-uncontrollable precondition.\nPR:L - An unprivileged local user with access to any block device backed by the mpi3mr HBA can drive the polling side and induce the timeout-driven error-recovery side; the higher-privileged BSG reset path (CAP_SYS_RAWIO) only makes triggering more deterministic and is not required.\nUI:N - The race is triggered entirely by the attacker\u0027s own I/O and error-recovery activity; no action by another user or administrator is needed.\nS:U - The corruption is confined to the kernel\u0027s own memory and MMIO mappings within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The zeroed num_replies makes reply_ci grow without wrapping, so mpi3mr_get_reply_desc() reads segment pointers past the q_segments array and dereferences them, giving unbounded out-of-bounds kernel reads whose contents flow into reply/sense processing and can reach userspace.\nI:H - With qid/request_queue_id zeroed, WRITE_ONCE(mrioc-\u003ereq_qinfo[0xFFFF].ci, ...) performs an out-of-bounds write roughly 4.5 MB beyond the allocation into unrelated kernel heap, and writel() targets addresses ~512 KB outside the ioremap()ed BAR \u2014 memory corruption usable to build a write primitive.\nA:H - The commit explicitly states the invalid 0xFFFF queue ID points to unallocated memory and causes a crash; the writel() to oper_queue_indexes[0xFFFF] hits an unmapped kernel virtual address, producing a kernel oops and loss of the storage controller."
}
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CVE-2025-37882 (GCVE-0-2025-37882)
Vulnerability from cvelistv5
Published
2025-05-09 06:45
Modified
2026-08-05 11:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: xhci: Fix isochronous Ring Underrun/Overrun event handling
The TRB pointer of these events points at enqueue at the time of error
occurrence on xHCI 1.1+ HCs or it's NULL on older ones. By the time we
are handling the event, a new TD may be queued at this ring position.
I can trigger this race by rising interrupt moderation to increase IRQ
handling delay. Similar delay may occur naturally due to system load.
If this ever happens after a Missed Service Error, missed TDs will be
skipped and the new TD processed as if it matched the event. It could
be given back prematurely, risking data loss or buffer UAF by the xHC.
Don't complete TDs on xrun events and don't warn if queued TDs don't
match the event's TRB pointer, which can be NULL or a link/no-op TRB.
Don't warn if there are no queued TDs at all.
Now that it's safe, also handle xrun events if the skip flag is clear.
This ensures completion of any TD stuck in 'error mid TD' state right
before the xrun event, which could happen if a driver submits a finite
number of URBs to a buggy HC and then an error occurs on the last TD.
References
Impacted products
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CVE-2025-40168 (GCVE-0-2025-40168)
Vulnerability from cvelistv5
Published
2025-11-12 10:46
Modified
2026-08-05 12:08
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().
smc_clc_prfx_match() is called from smc_listen_work() and
not under RCU nor RTNL.
Using sk_dst_get(sk)->dev could trigger UAF.
Let's use __sk_dst_get() and dst_dev_rcu().
Note that the returned value of smc_clc_prfx_match() is not
used in the caller.
References
Impacted products
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CVE-2025-38415 (GCVE-0-2025-38415)
Vulnerability from cvelistv5
Published
2025-07-25 13:32
Modified
2026-06-18 20:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Squashfs: check return result of sb_min_blocksize
Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug.
Syzkaller forks multiple processes which after mounting the Squashfs
filesystem, issues an ioctl("/dev/loop0", LOOP_SET_BLOCK_SIZE, 0x8000).
Now if this ioctl occurs at the same time another process is in the
process of mounting a Squashfs filesystem on /dev/loop0, the failure
occurs. When this happens the following code in squashfs_fill_super()
fails.
----
msblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);
msblk->devblksize_log2 = ffz(~msblk->devblksize);
----
sb_min_blocksize() returns 0, which means msblk->devblksize is set to 0.
As a result, ffz(~msblk->devblksize) returns 64, and msblk->devblksize_log2
is set to 64.
This subsequently causes the
UBSAN: shift-out-of-bounds in fs/squashfs/block.c:195:36
shift exponent 64 is too large for 64-bit type 'u64' (aka
'unsigned long long')
This commit adds a check for a 0 return by sb_min_blocksize().
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac Version: 0aa666190509ffab81c202c5095a166be23961ac |
||
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CVE-2022-50673 (GCVE-0-2022-50673)
Vulnerability from cvelistv5
Published
2025-12-09 01:29
Modified
2026-08-05 08:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix use-after-free in ext4_orphan_cleanup
I caught a issue as follows:
==================================================================
BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0
Read of size 8 at addr ffff88814b13f378 by task mount/710
CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370
Call Trace:
<TASK>
dump_stack_lvl+0x73/0x9f
print_report+0x25d/0x759
kasan_report+0xc0/0x120
__asan_load8+0x99/0x140
__list_add_valid+0x28/0x1a0
ext4_orphan_cleanup+0x564/0x9d0 [ext4]
__ext4_fill_super+0x48e2/0x5300 [ext4]
ext4_fill_super+0x19f/0x3a0 [ext4]
get_tree_bdev+0x27b/0x450
ext4_get_tree+0x19/0x30 [ext4]
vfs_get_tree+0x49/0x150
path_mount+0xaae/0x1350
do_mount+0xe2/0x110
__x64_sys_mount+0xf0/0x190
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
</TASK>
[...]
==================================================================
Above issue may happen as follows:
-------------------------------------
ext4_fill_super
ext4_orphan_cleanup
--- loop1: assume last_orphan is 12 ---
list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan)
ext4_truncate --> return 0
ext4_inode_attach_jinode --> return -ENOMEM
iput(inode) --> free inode<12>
--- loop2: last_orphan is still 12 ---
list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan);
// use inode<12> and trigger UAF
To solve this issue, we need to propagate the return value of
ext4_inode_attach_jinode() appropriately.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 Version: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix use-after-free in ext4_orphan_cleanup\n\nI caught a issue as follows:\n==================================================================\n BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0\n Read of size 8 at addr ffff88814b13f378 by task mount/710\n\n CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x73/0x9f\n print_report+0x25d/0x759\n kasan_report+0xc0/0x120\n __asan_load8+0x99/0x140\n __list_add_valid+0x28/0x1a0\n ext4_orphan_cleanup+0x564/0x9d0 [ext4]\n __ext4_fill_super+0x48e2/0x5300 [ext4]\n ext4_fill_super+0x19f/0x3a0 [ext4]\n get_tree_bdev+0x27b/0x450\n ext4_get_tree+0x19/0x30 [ext4]\n vfs_get_tree+0x49/0x150\n path_mount+0xaae/0x1350\n do_mount+0xe2/0x110\n __x64_sys_mount+0xf0/0x190\n do_syscall_64+0x35/0x80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n \u003c/TASK\u003e\n [...]\n==================================================================\n\nAbove issue may happen as follows:\n-------------------------------------\next4_fill_super\n ext4_orphan_cleanup\n --- loop1: assume last_orphan is 12 ---\n list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan)\n ext4_truncate --\u003e return 0\n ext4_inode_attach_jinode --\u003e return -ENOMEM\n iput(inode) --\u003e free inode\u003c12\u003e\n --- loop2: last_orphan is still 12 ---\n list_add(\u0026EXT4_I(inode)-\u003ei_orphan, \u0026EXT4_SB(sb)-\u003es_orphan);\n // use inode\u003c12\u003e and trigger UAF\n\nTo solve this issue, we need to propagate the return value of\next4_inode_attach_jinode() appropriately."
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"value": "AV:L - The bug is reached only through the local VFS mount path (mount \u2192 ext4_fill_super \u2192 ext4_orphan_cleanup \u2192 ext4_process_orphan \u2192 ext4_truncate); it is not reachable from network protocol handlers or packet processing.\nAC:L - An attacker who crafts an ext4 image with truncate orphans (nlink\u003e0, non-block-aligned i_size) controls the on-disk state that forces the attach_jinode path; on memory-constrained deployments (Android/embedded/IoT) that ENOMEM is reliably inducible, after which orphan cleanup loops on the same inode and the UAF is deterministic.\nPR:N - No privileges on the target are required\u2014only a malicious ext4 image (USB/SD, disk image, or media presented to udisks/Android vold automount); the attacker need not hold CAP_SYS_ADMIN on the victim host.\nUI:R - ext4 lacks FS_USERNS_MOUNT and mount_capable() requires capable(CAP_SYS_ADMIN) in the init user namespace, so a user or automount daemon must mount the attacker-supplied image for the orphan-cleanup UAF to run.\nS:U - Impact is a host-kernel heap use-after-free during local mount/orphan cleanup within the same OS security authority; there is no VM escape, IOMMU bypass, or other cross-boundary effect.\nC:H - This is a confirmed KASAN use-after-free of an ext4 inode on the orphan list; per UAF guidance, reclaim of the freed object enables arbitrary kernel memory disclosure primitives.\nI:H - The UAF corrupts the orphan list via list_add on a freed inode and enables heap spraying/arbitrary write and control-flow hijack primitives, so integrity impact is High.\nA:H - The KASAN report shows a kernel oops on the freed inode during orphan cleanup, and the stuck s_last_orphan loop can hang or crash the mount path, yielding High availability impact."
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CVE-2025-38106 (GCVE-0-2025-38106)
Vulnerability from cvelistv5
Published
2025-07-03 08:35
Modified
2026-08-05 11:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
syzbot reports:
BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60
Read of size 8 at addr ffff88810de2d2c8 by task a.out/304
CPU: 0 UID: 0 PID: 304 Comm: a.out Not tainted 6.16.0-rc1 #1 PREEMPT(voluntary)
Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x53/0x70
print_report+0xd0/0x670
? __pfx__raw_spin_lock_irqsave+0x10/0x10
? getrusage+0x1109/0x1a60
kasan_report+0xce/0x100
? getrusage+0x1109/0x1a60
getrusage+0x1109/0x1a60
? __pfx_getrusage+0x10/0x10
__io_uring_show_fdinfo+0x9fe/0x1790
? ksys_read+0xf7/0x1c0
? do_syscall_64+0xa4/0x260
? vsnprintf+0x591/0x1100
? __pfx___io_uring_show_fdinfo+0x10/0x10
? __pfx_vsnprintf+0x10/0x10
? mutex_trylock+0xcf/0x130
? __pfx_mutex_trylock+0x10/0x10
? __pfx_show_fd_locks+0x10/0x10
? io_uring_show_fdinfo+0x57/0x80
io_uring_show_fdinfo+0x57/0x80
seq_show+0x38c/0x690
seq_read_iter+0x3f7/0x1180
? inode_set_ctime_current+0x160/0x4b0
seq_read+0x271/0x3e0
? __pfx_seq_read+0x10/0x10
? __pfx__raw_spin_lock+0x10/0x10
? __mark_inode_dirty+0x402/0x810
? selinux_file_permission+0x368/0x500
? file_update_time+0x10f/0x160
vfs_read+0x177/0xa40
? __pfx___handle_mm_fault+0x10/0x10
? __pfx_vfs_read+0x10/0x10
? mutex_lock+0x81/0xe0
? __pfx_mutex_lock+0x10/0x10
? fdget_pos+0x24d/0x4b0
ksys_read+0xf7/0x1c0
? __pfx_ksys_read+0x10/0x10
? do_user_addr_fault+0x43b/0x9c0
do_syscall_64+0xa4/0x260
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f74170fc9
Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 8
RSP: 002b:00007fffece049e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f74170fc9
RDX: 0000000000001000 RSI: 00007fffece049f0 RDI: 0000000000000004
RBP: 00007fffece05ad0 R08: 0000000000000000 R09: 00007fffece04d90
R10: 0000000000000000 R11: 0000000000000206 R12: 00005651720a1100
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Allocated by task 298:
kasan_save_stack+0x33/0x60
kasan_save_track+0x14/0x30
__kasan_slab_alloc+0x6e/0x70
kmem_cache_alloc_node_noprof+0xe8/0x330
copy_process+0x376/0x5e00
create_io_thread+0xab/0xf0
io_sq_offload_create+0x9ed/0xf20
io_uring_setup+0x12b0/0x1cc0
do_syscall_64+0xa4/0x260
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 22:
kasan_save_stack+0x33/0x60
kasan_save_track+0x14/0x30
kasan_save_free_info+0x3b/0x60
__kasan_slab_free+0x37/0x50
kmem_cache_free+0xc4/0x360
rcu_core+0x5ff/0x19f0
handle_softirqs+0x18c/0x530
run_ksoftirqd+0x20/0x30
smpboot_thread_fn+0x287/0x6c0
kthread+0x30d/0x630
ret_from_fork+0xef/0x1a0
ret_from_fork_asm+0x1a/0x30
Last potentially related work creation:
kasan_save_stack+0x33/0x60
kasan_record_aux_stack+0x8c/0xa0
__call_rcu_common.constprop.0+0x68/0x940
__schedule+0xff2/0x2930
__cond_resched+0x4c/0x80
mutex_lock+0x5c/0xe0
io_uring_del_tctx_node+0xe1/0x2b0
io_uring_clean_tctx+0xb7/0x160
io_uring_cancel_generic+0x34e/0x760
do_exit+0x240/0x2350
do_group_exit+0xab/0x220
__x64_sys_exit_group+0x39/0x40
x64_sys_call+0x1243/0x1840
do_syscall_64+0xa4/0x260
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88810de2cb00
which belongs to the cache task_struct of size 3712
The buggy address is located 1992 bytes inside of
freed 3712-byte region [ffff88810de2cb00, ffff88810de2d980)
which is caused by the task_struct pointed to by sq->thread being
released while it is being used in the function
__io_uring_show_fdinfo(). Holding ctx->uring_lock does not prevent ehre
relase or exit of sq->thread.
Fix this by assigning and looking up ->thread under RCU, and grabbing a
reference to the task_struct. This e
---truncated---
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix use-after-free of sq-\u003ethread in __io_uring_show_fdinfo()\n\nsyzbot reports:\n\nBUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60\nRead of size 8 at addr ffff88810de2d2c8 by task a.out/304\n\nCPU: 0 UID: 0 PID: 304 Comm: a.out Not tainted 6.16.0-rc1 #1 PREEMPT(voluntary)\nHardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x53/0x70\n print_report+0xd0/0x670\n ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n ? getrusage+0x1109/0x1a60\n kasan_report+0xce/0x100\n ? getrusage+0x1109/0x1a60\n getrusage+0x1109/0x1a60\n ? __pfx_getrusage+0x10/0x10\n __io_uring_show_fdinfo+0x9fe/0x1790\n ? ksys_read+0xf7/0x1c0\n ? do_syscall_64+0xa4/0x260\n ? vsnprintf+0x591/0x1100\n ? __pfx___io_uring_show_fdinfo+0x10/0x10\n ? __pfx_vsnprintf+0x10/0x10\n ? mutex_trylock+0xcf/0x130\n ? __pfx_mutex_trylock+0x10/0x10\n ? __pfx_show_fd_locks+0x10/0x10\n ? io_uring_show_fdinfo+0x57/0x80\n io_uring_show_fdinfo+0x57/0x80\n seq_show+0x38c/0x690\n seq_read_iter+0x3f7/0x1180\n ? inode_set_ctime_current+0x160/0x4b0\n seq_read+0x271/0x3e0\n ? __pfx_seq_read+0x10/0x10\n ? __pfx__raw_spin_lock+0x10/0x10\n ? __mark_inode_dirty+0x402/0x810\n ? selinux_file_permission+0x368/0x500\n ? file_update_time+0x10f/0x160\n vfs_read+0x177/0xa40\n ? __pfx___handle_mm_fault+0x10/0x10\n ? __pfx_vfs_read+0x10/0x10\n ? mutex_lock+0x81/0xe0\n ? __pfx_mutex_lock+0x10/0x10\n ? fdget_pos+0x24d/0x4b0\n ksys_read+0xf7/0x1c0\n ? __pfx_ksys_read+0x10/0x10\n ? do_user_addr_fault+0x43b/0x9c0\n do_syscall_64+0xa4/0x260\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f0f74170fc9\nCode: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 8\nRSP: 002b:00007fffece049e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000000\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f74170fc9\nRDX: 0000000000001000 RSI: 00007fffece049f0 RDI: 0000000000000004\nRBP: 00007fffece05ad0 R08: 0000000000000000 R09: 00007fffece04d90\nR10: 0000000000000000 R11: 0000000000000206 R12: 00005651720a1100\nR13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n \u003c/TASK\u003e\n\nAllocated by task 298:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_slab_alloc+0x6e/0x70\n kmem_cache_alloc_node_noprof+0xe8/0x330\n copy_process+0x376/0x5e00\n create_io_thread+0xab/0xf0\n io_sq_offload_create+0x9ed/0xf20\n io_uring_setup+0x12b0/0x1cc0\n do_syscall_64+0xa4/0x260\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 22:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x37/0x50\n kmem_cache_free+0xc4/0x360\n rcu_core+0x5ff/0x19f0\n handle_softirqs+0x18c/0x530\n run_ksoftirqd+0x20/0x30\n smpboot_thread_fn+0x287/0x6c0\n kthread+0x30d/0x630\n ret_from_fork+0xef/0x1a0\n ret_from_fork_asm+0x1a/0x30\n\nLast potentially related work creation:\n kasan_save_stack+0x33/0x60\n kasan_record_aux_stack+0x8c/0xa0\n __call_rcu_common.constprop.0+0x68/0x940\n __schedule+0xff2/0x2930\n __cond_resched+0x4c/0x80\n mutex_lock+0x5c/0xe0\n io_uring_del_tctx_node+0xe1/0x2b0\n io_uring_clean_tctx+0xb7/0x160\n io_uring_cancel_generic+0x34e/0x760\n do_exit+0x240/0x2350\n do_group_exit+0xab/0x220\n __x64_sys_exit_group+0x39/0x40\n x64_sys_call+0x1243/0x1840\n do_syscall_64+0xa4/0x260\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nThe buggy address belongs to the object at ffff88810de2cb00\n which belongs to the cache task_struct of size 3712\nThe buggy address is located 1992 bytes inside of\n freed 3712-byte region [ffff88810de2cb00, ffff88810de2d980)\n\nwhich is caused by the task_struct pointed to by sq-\u003ethread being\nreleased while it is being used in the function\n__io_uring_show_fdinfo(). Holding ctx-\u003euring_lock does not prevent ehre\nrelase or exit of sq-\u003ethread.\n\nFix this by assigning and looking up -\u003ethread under RCU, and grabbing a\nreference to the task_struct. This e\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The bug is reached through local syscalls only \u2014 `io_uring_setup()` to create the SQPOLL ring and `read()` on `/proc/\u003cpid\u003e/fdinfo/\u003cfd\u003e`. No network or adjacent-network exposure exists for io_uring fdinfo.\nAC:L - The attacker owns both sides of the race: it creates the SQPOLL ring, decides when the SQPOLL thread exits (ring close or owner exit), and loops on fdinfo reads concurrently; the RCU-delayed `task_struct` free widens the reclaim window and a syzkaller reproducer exists.\nPR:L - Creating an `IORING_SETUP_SQPOLL` ring requires no capability (only the `security_uring_sqpoll()` LSM hook), and reading one\u0027s own `/proc/self/fdinfo/\u003cfd\u003e` passes the PTRACE_MODE_READ check, so any unprivileged local user qualifies.\nUI:N - The attacking process performs every step itself \u2014 ring setup, thread teardown, and the fdinfo read \u2014 with no action by any other user or victim process.\nS:U - The corruption and its consequences stay within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Use-after-free on a `task_struct` whose contents the attacker can groom via slab reuse; `getrusage()` then reads through the stale `p-\u003esignal` and thread list at controlled offsets and the harvested kernel values are printed back to userspace in the fdinfo output.\nI:H - The stale pointer drives writes \u2014 `read_seqbegin_or_lock_irqsave()` acquires the seqlock\u0027s spinlock and `get_task_mm()` performs an atomic increment through attacker-influenced pointers \u2014 giving corruption primitives suitable for escalation to control-flow hijack after heap spraying.\nA:H - Dereferencing a freed `task_struct` and walking its thread list reliably oopses or panics the kernel, and the read can be repeated in a loop by any local user."
}
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/af8c13f9ee040b9a287ba246cf0055f7c77b7cc8"
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"url": "https://git.kernel.org/stable/c/d0932758a0a77b38ba1b39564f3b7aba12407061"
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{
"url": "https://git.kernel.org/stable/c/ac0b8b327a5677dc6fecdf353d808161525b1ff0"
}
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"title": "io_uring: fix use-after-free of sq-\u003ethread in __io_uring_show_fdinfo()",
"x_generator": {
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"assignerShortName": "Linux",
"cveId": "CVE-2025-38106",
"datePublished": "2025-07-03T08:35:16.215Z",
"dateReserved": "2025-04-16T04:51:23.985Z",
"dateUpdated": "2026-08-05T11:59:34.142Z",
"state": "PUBLISHED"
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CVE-2025-38459 (GCVE-0-2025-38459)
Vulnerability from cvelistv5
Published
2025-07-25 15:27
Modified
2026-06-11 17:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
atm: clip: Fix infinite recursive call of clip_push().
syzbot reported the splat below. [0]
This happens if we call ioctl(ATMARP_MKIP) more than once.
During the first call, clip_mkip() sets clip_push() to vcc->push(),
and the second call copies it to clip_vcc->old_push().
Later, when the socket is close()d, vcc_destroy_socket() passes
NULL skb to clip_push(), which calls clip_vcc->old_push(),
triggering the infinite recursion.
Let's prevent the second ioctl(ATMARP_MKIP) by checking
vcc->user_back, which is allocated by the first call as clip_vcc.
Note also that we use lock_sock() to prevent racy calls.
[0]:
BUG: TASK stack guard page was hit at ffffc9000d66fff8 (stack is ffffc9000d670000..ffffc9000d678000)
Oops: stack guard page: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:clip_push+0x5/0x720 net/atm/clip.c:191
Code: e0 8f aa 8c e8 1c ad 5b fa eb ae 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 f3 49 89 fd 48 bd 00
RSP: 0018:ffffc9000d670000 EFLAGS: 00010246
RAX: 1ffff1100235a4a5 RBX: ffff888011ad2508 RCX: ffff8880003c0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888037f01000
RBP: dffffc0000000000 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e
R10: dffffc0000000000 R11: ffffffff8a99b300 R12: ffffffff8a99b300
R13: ffff888037f01000 R14: ffff888011ad2500 R15: ffff888037f01578
FS: 000055557ab6d500(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d66fff8 CR3: 0000000043172000 CR4: 0000000000352ef0
Call Trace:
<TASK>
clip_push+0x6dc/0x720 net/atm/clip.c:200
clip_push+0x6dc/0x720 net/atm/clip.c:200
clip_push+0x6dc/0x720 net/atm/clip.c:200
...
clip_push+0x6dc/0x720 net/atm/clip.c:200
clip_push+0x6dc/0x720 net/atm/clip.c:200
clip_push+0x6dc/0x720 net/atm/clip.c:200
vcc_destroy_socket net/atm/common.c:183 [inline]
vcc_release+0x157/0x460 net/atm/common.c:205
__sock_release net/socket.c:647 [inline]
sock_close+0xc0/0x240 net/socket.c:1391
__fput+0x449/0xa70 fs/file_table.c:465
task_work_run+0x1d1/0x260 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff31c98e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffb5aa1f78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000012747 RCX: 00007ff31c98e929
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007ff31cbb7ba0 R08: 0000000000000001 R09: 0000000db5aa226f
R10: 00007ff31c7ff030 R11: 0000000000000246 R12: 00007ff31cbb608c
R13: 00007ff31cbb6080 R14: ffffffffffffffff R15: 00007fffb5aa2090
</TASK>
Modules linked in:
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\natm: clip: Fix infinite recursive call of clip_push().\n\nsyzbot reported the splat below. [0]\n\nThis happens if we call ioctl(ATMARP_MKIP) more than once.\n\nDuring the first call, clip_mkip() sets clip_push() to vcc-\u003epush(),\nand the second call copies it to clip_vcc-\u003eold_push().\n\nLater, when the socket is close()d, vcc_destroy_socket() passes\nNULL skb to clip_push(), which calls clip_vcc-\u003eold_push(),\ntriggering the infinite recursion.\n\nLet\u0027s prevent the second ioctl(ATMARP_MKIP) by checking\nvcc-\u003euser_back, which is allocated by the first call as clip_vcc.\n\nNote also that we use lock_sock() to prevent racy calls.\n\n[0]:\nBUG: TASK stack guard page was hit at ffffc9000d66fff8 (stack is ffffc9000d670000..ffffc9000d678000)\nOops: stack guard page: 0000 [#1] SMP KASAN NOPTI\nCPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:clip_push+0x5/0x720 net/atm/clip.c:191\nCode: e0 8f aa 8c e8 1c ad 5b fa eb ae 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 \u003c41\u003e 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 f3 49 89 fd 48 bd 00\nRSP: 0018:ffffc9000d670000 EFLAGS: 00010246\nRAX: 1ffff1100235a4a5 RBX: ffff888011ad2508 RCX: ffff8880003c0000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888037f01000\nRBP: dffffc0000000000 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e\nR10: dffffc0000000000 R11: ffffffff8a99b300 R12: ffffffff8a99b300\nR13: ffff888037f01000 R14: ffff888011ad2500 R15: ffff888037f01578\nFS: 000055557ab6d500(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffc9000d66fff8 CR3: 0000000043172000 CR4: 0000000000352ef0\nCall Trace:\n \u003cTASK\u003e\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n...\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n clip_push+0x6dc/0x720 net/atm/clip.c:200\n vcc_destroy_socket net/atm/common.c:183 [inline]\n vcc_release+0x157/0x460 net/atm/common.c:205\n __sock_release net/socket.c:647 [inline]\n sock_close+0xc0/0x240 net/socket.c:1391\n __fput+0x449/0xa70 fs/file_table.c:465\n task_work_run+0x1d1/0x260 kernel/task_work.c:227\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114\n exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]\n syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]\n syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]\n do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff31c98e929\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fffb5aa1f78 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4\nRAX: 0000000000000000 RBX: 0000000000012747 RCX: 00007ff31c98e929\nRDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003\nRBP: 00007ff31cbb7ba0 R08: 0000000000000001 R09: 0000000db5aa226f\nR10: 00007ff31c7ff030 R11: 0000000000000246 R12: 00007ff31cbb608c\nR13: 00007ff31cbb6080 R14: ffffffffffffffff R15: 00007fffb5aa2090\n \u003c/TASK\u003e\nModules linked in:"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:28:25.282Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/f493f31a63847624fd3199ac836a8bd8828e50e2"
},
{
"url": "https://git.kernel.org/stable/c/125166347d5676466d368aadc0bbc31ee7714352"
},
{
"url": "https://git.kernel.org/stable/c/5641019dfbaee5e85fe093b590f0451c9dd4d6f8"
},
{
"url": "https://git.kernel.org/stable/c/1579a2777cb914a249de22c789ba4d41b154509f"
},
{
"url": "https://git.kernel.org/stable/c/3f61b997fe014bbfcc208a9fcbd363a1fe7e3a31"
},
{
"url": "https://git.kernel.org/stable/c/024876b247a882972095b22087734dcd23396a4e"
},
{
"url": "https://git.kernel.org/stable/c/df0312d8859763aa15b8b56ac151a1ea4a4e5b88"
},
{
"url": "https://git.kernel.org/stable/c/c489f3283dbfc0f3c00c312149cae90d27552c45"
}
],
"title": "atm: clip: Fix infinite recursive call of clip_push().",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-38459",
"datePublished": "2025-07-25T15:27:37.893Z",
"dateReserved": "2025-04-16T04:51:24.019Z",
"dateUpdated": "2026-06-11T17:53:37.219Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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