f2fs: explicitly null-terminate the xattr list

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Summary

CVECVE-2023-52436
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-02-20 21:15:08 UTC
Updated2026-08-15 13:17:39 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: NVD-CWE-Other

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 16ae3132ff7746894894927c1892493693b89135 git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 12cf91e23b126718a96b914f949f2cdfeadc7b2a git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 3e47740091b05ac8d7836a33afd8646b6863ca52 git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 32a6cfc67675ee96fe107aeed5af9776fec63f11 git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 5de9e9dd1828db9b8b962f7ca42548bd596deb8a git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da 2525d1ba225b5c167162fa344013c408e8b4de36 git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da f6c30bfe5a49bc38cae985083a11016800708fea git Not specified
CNA Linux Linux affected af48b85b8cd3fbb12c9b6759c16db6d69c0b03da e26b6d39270f5eab0087453d9b544189a38c8564 git Not specified
CNA Linux Linux affected 3.8 Not specified
CNA Linux Linux unaffected 3.8 semver Not specified
CNA Linux Linux unaffected 4.19.306 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.268 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.209 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.148 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.74 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.13 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.1 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00016.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/12cf91e23b126718a96b914f949f2cdfeadc7b2a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00020.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 200182 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6688-1)
  • 200241 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6726-1)
  • 200242 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6724-1)
  • 200243 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6725-1)

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