CVE-2026-31410

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION Use sb->s_uuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.f_fsid obtained from vfs_statfs().

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1df0123f96f377282feaae24d8e561fff4a6541f
https://git.kernel.org/stable/c/3a64125730cabc34fccfbc230c2667c2e14f7308	Patch
https://git.kernel.org/stable/c/3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a	Patch
https://git.kernel.org/stable/c/5258e9187703bfd02faf19c37c23ab9d6587f24c
https://git.kernel.org/stable/c/c283a6ffe6d5d6e5594d991286b9ce15951572e1	Patch
https://git.kernel.org/stable/c/ce00616bc1df675bfdacc968f2bf7c51f4669227	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::

History

30 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/5258e9187703bfd02faf19c37c23ab9d6587f24c -

21 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/1df0123f96f377282feaae24d8e561fff4a6541f -

Information

Published : 2026-04-06 08:16

Updated : 2026-10-30 13:18

NVD link : CVE-2026-31410

Mitre link : CVE-2026-31410

CVE.ORG link : CVE-2026-31410

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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"5.15", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.20", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.10", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/smb/server/smb2pdu.c"], "defaultStatus": "affected"}]}], "published": "2026-04-06T08:16:39.117", "references": [{"url": "https://git.kernel.org/stable/c/1df0123f96f377282feaae24d8e561fff4a6541f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3a64125730cabc34fccfbc230c2667c2e14f7308", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5258e9187703bfd02faf19c37c23ab9d6587f24c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c283a6ffe6d5d6e5594d991286b9ce15951572e1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ce00616bc1df675bfdacc968f2bf7c51f4669227", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION\n\nUse sb->s_uuid for a proper volume identifier as the primary choice.\nFor filesystems that do not provide a UUID, fall back to stfs.f_fsid\nobtained from vfs_statfs()."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nksmbd: usar UUID de volumen en FS_OBJECT_ID_INFORMATION\n\nUsar sb -> s_uuid como un identificador de volumen adecuado como opci\u00f3n principal.\nPara sistemas de archivos que no proporcionan un UUID, recurrir a stfs.f_fsid obtenido de vfs_statfs()."}], "lastModified": "2026-10-30T13:18:39.103", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E700F195-6718-4EBD-AE96-25DF6A4EB20D", "versionEndExcluding": "6.12.78", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, 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