CVE-2026-23296 (GCVE-0-2026-23296)
Vulnerability from cvelistv5
Published
2026-03-25 10:26
Modified
2026-04-18 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: core: Fix refcount leak for tagset_refcnt
This leak will cause a hang when tearing down the SCSI host. For example,
iscsid hangs with the following call trace:
[130120.652718] scsi_alloc_sdev: Allocation failure during SCSI scanning, some SCSI devices might not be configured
PID: 2528 TASK: ffff9d0408974e00 CPU: 3 COMMAND: "iscsid"
#0 [ffffb5b9c134b9e0] __schedule at ffffffff860657d4
#1 [ffffb5b9c134ba28] schedule at ffffffff86065c6f
#2 [ffffb5b9c134ba40] schedule_timeout at ffffffff86069fb0
#3 [ffffb5b9c134bab0] __wait_for_common at ffffffff8606674f
#4 [ffffb5b9c134bb10] scsi_remove_host at ffffffff85bfe84b
#5 [ffffb5b9c134bb30] iscsi_sw_tcp_session_destroy at ffffffffc03031c4 [iscsi_tcp]
#6 [ffffb5b9c134bb48] iscsi_if_recv_msg at ffffffffc0292692 [scsi_transport_iscsi]
#7 [ffffb5b9c134bb98] iscsi_if_rx at ffffffffc02929c2 [scsi_transport_iscsi]
#8 [ffffb5b9c134bbf0] netlink_unicast at ffffffff85e551d6
#9 [ffffb5b9c134bc38] netlink_sendmsg at ffffffff85e554ef
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f818708eeeae793e12dc39f8984ed7732048a7d9 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 Version: 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f Version: 2e7eb4c1e8af8385de22775bd0be552f59b28c9a |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/scsi/scsi_scan.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "0e274674714427dc578bb99db5b86e312d2b57f8",
"status": "affected",
"version": "f818708eeeae793e12dc39f8984ed7732048a7d9",
"versionType": "git"
},
{
"lessThan": "9f5e4abed9248448aa1b45b12ab0bea4d329b56a",
"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
"versionType": "git"
},
{
"lessThan": "7c01b680beaf4d3143866b062b8e770e8b237fb8",
"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
"versionType": "git"
},
{
"lessThan": "ec5c17c687b189dbc09dfdec11b669caa40bc395",
"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
"versionType": "git"
},
{
"lessThan": "944a333c8e4d42256556c1d2ebb6d773a33e0dcd",
"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
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},
{
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"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
"versionType": "git"
},
{
"lessThan": "1ac22c8eae81366101597d48360718dff9b9d980",
"status": "affected",
"version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
"versionType": "git"
},
{
"status": "affected",
"version": "5ce8fad941233e81f2afb5b52a3fcddd3ba8732f",
"versionType": "git"
},
{
"status": "affected",
"version": "2e7eb4c1e8af8385de22775bd0be552f59b28c9a",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/scsi/scsi_scan.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"lessThan": "6.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.77",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.17",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.203",
"versionStartIncluding": "5.15.164",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.167",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.130",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.77",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.17",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.7",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0",
"versionStartIncluding": "6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.223",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19.12",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Fix refcount leak for tagset_refcnt\n\nThis leak will cause a hang when tearing down the SCSI host. For example,\niscsid hangs with the following call trace:\n\n[130120.652718] scsi_alloc_sdev: Allocation failure during SCSI scanning, some SCSI devices might not be configured\n\nPID: 2528 TASK: ffff9d0408974e00 CPU: 3 COMMAND: \"iscsid\"\n #0 [ffffb5b9c134b9e0] __schedule at ffffffff860657d4\n #1 [ffffb5b9c134ba28] schedule at ffffffff86065c6f\n #2 [ffffb5b9c134ba40] schedule_timeout at ffffffff86069fb0\n #3 [ffffb5b9c134bab0] __wait_for_common at ffffffff8606674f\n #4 [ffffb5b9c134bb10] scsi_remove_host at ffffffff85bfe84b\n #5 [ffffb5b9c134bb30] iscsi_sw_tcp_session_destroy at ffffffffc03031c4 [iscsi_tcp]\n #6 [ffffb5b9c134bb48] iscsi_if_recv_msg at ffffffffc0292692 [scsi_transport_iscsi]\n #7 [ffffb5b9c134bb98] iscsi_if_rx at ffffffffc02929c2 [scsi_transport_iscsi]\n #8 [ffffb5b9c134bbf0] netlink_unicast at ffffffff85e551d6\n #9 [ffffb5b9c134bc38] netlink_sendmsg at ffffffff85e554ef"
}
],
"providerMetadata": {
"dateUpdated": "2026-04-18T08:57:44.862Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/0e274674714427dc578bb99db5b86e312d2b57f8"
},
{
"url": "https://git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a"
},
{
"url": "https://git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8"
},
{
"url": "https://git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395"
},
{
"url": "https://git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd"
},
{
"url": "https://git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8"
},
{
"url": "https://git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980"
}
],
"title": "scsi: core: Fix refcount leak for tagset_refcnt",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23296",
"datePublished": "2026-03-25T10:26:53.509Z",
"dateReserved": "2026-01-13T15:37:45.993Z",
"dateUpdated": "2026-04-18T08:57:44.862Z",
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- 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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