CVE-2026-72165 (GCVE-0-2026-72165)
Vulnerability from cvelistv5
Published
2026-08-15 05:53
Modified
2026-08-17 05:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mtd: rawnand: fix condition in 'nand_select_target()'
'cs' here must be in range [0:nanddev_ntargets[.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 Version: 32813e288414fecce18f37f8f0d0414a64b45c56 |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/mtd/nand/raw/nand_base.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "483a8a8581ee1274ec70e2561492096d4a7305e6",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "c2a131fb6882c98aada739479cc96df8748d0c24",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "e6df4fea1dc86c058e1918136c9b9d8e80c4be1b",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "3da4eb15c7b421c2d97c402bb7bd607c44822995",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "4bbfcf9c7e46cae58257150bf834853559382e28",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "8f575fc17360827ca1d1940a84f3c7ee40407a10",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
},
{
"lessThan": "8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b",
"status": "affected",
"version": "32813e288414fecce18f37f8f0d0414a64b45c56",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/mtd/nand/raw/nand_base.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.2"
},
{
"lessThan": "5.2",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.261",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.261",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.212",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.178",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.145",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.97",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.40",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1.5",
"versionStartIncluding": "5.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2",
"versionStartIncluding": "5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: fix condition in \u0027nand_select_target()\u0027\n\n\u0027cs\u0027 here must be in range [0:nanddev_ntargets[."
}
],
"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 flaw is in the raw NAND MTD stack reached via local /dev/mtdX character-device ioctls (MEMREAD, MEMWRITE, MEMERASE, MEMSETBADBLOCK) and mtdblock I/O, not via network protocols or physical hotplug alone.\nAC:L - An attacker with MTD device access can repeatedly issue read, write, or erase operations on multi-die NAND hardware; when a caller supplies cs equal to nanddev_ntargets(), the defective check passes deterministically and invokes the controller select_chip path.\nPR:L - Exploitation requires local write access to the MTD character device (FMODE_WRITE on /dev/mtdX) but no capability() gate beyond device permissions; per kernel CNA guidance, PR:L is chosen when uncertain between device-permission low and root-only high privilege.\nUI:N - No separate victim interaction is required; once the attacker has access to the MTD device node they can trigger the vulnerable nand_select_target() path through their own ioctl or read/write requests.\nS:U - Impact remains within the kernel and on-board NAND controller security authority on the host; it does not cross VM, container, IOMMU, or other security-boundary scopes into a separate authority.\nC:H - When cs equals nanddev_ntargets() the invalid index reaches controller select_chip handlers (denali, mtk, rockchip, renesas) that index sels[cs] without bounds checking, enabling out-of-bounds kernel memory reads.\nI:H - Out-of-bounds sels[cs] values are written into NAND controller CE-select and timing registers, plausibly corrupting flash contents or protection state; under the required uncertainty rule this memory-safety defect is scored as high integrity impact.\nA:H - On legacy/default select_chip paths an out-of-range cs hits BUG(), and controller misconfiguration from invalid CE selection can oops or hang the kernel, satisfying high availability impact for kernel crash classes."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T05:41:07.143Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/483a8a8581ee1274ec70e2561492096d4a7305e6"
},
{
"url": "https://git.kernel.org/stable/c/c2a131fb6882c98aada739479cc96df8748d0c24"
},
{
"url": "https://git.kernel.org/stable/c/e6df4fea1dc86c058e1918136c9b9d8e80c4be1b"
},
{
"url": "https://git.kernel.org/stable/c/3da4eb15c7b421c2d97c402bb7bd607c44822995"
},
{
"url": "https://git.kernel.org/stable/c/fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e"
},
{
"url": "https://git.kernel.org/stable/c/4bbfcf9c7e46cae58257150bf834853559382e28"
},
{
"url": "https://git.kernel.org/stable/c/8f575fc17360827ca1d1940a84f3c7ee40407a10"
},
{
"url": "https://git.kernel.org/stable/c/8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b"
}
],
"title": "mtd: rawnand: fix condition in \u0027nand_select_target()\u0027",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-72165",
"datePublished": "2026-08-15T05:53:32.649Z",
"dateReserved": "2026-08-09T03:40:39.909Z",
"dateUpdated": "2026-08-17T05:41:07.143Z",
"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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