CVE-2023-54264 (GCVE-0-2023-54264)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:15 – Updated: 2026-01-05 11:37
VLAI?
Title
fs/sysv: Null check to prevent null-ptr-deref bug
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < e976988bc245ec3768cc0f76bed7d05488a7dd0f (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < baa60c66a310c50785289b0ede6fdce8ec3219c7 (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < 0a44ceba77c3267f8505dda102a59367dc24caee (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < 7f740bc696d4617f8ee44565e8ac0d36278a1e91 (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635 (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < 1416eebaad80bdc85ad9f97f27242011b031e2a9 (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < e28f376dd8dfcc4e880ac101184132bc08703f6e (git)
Affected: e5657933863f43cc6bb76a54d659303dafaa9e58 , < ea2b62f305893992156a798f665847e0663c9f41 (git)
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    Linux Linux Affected: 2.6.19
Unaffected: 0 , < 2.6.19 (semver)
Unaffected: 4.14.322 , ≤ 4.14.* (semver)
Unaffected: 4.19.291 , ≤ 4.19.* (semver)
Unaffected: 5.4.253 , ≤ 5.4.* (semver)
Unaffected: 5.10.190 , ≤ 5.10.* (semver)
Unaffected: 5.15.126 , ≤ 5.15.* (semver)
Unaffected: 6.1.45 , ≤ 6.1.* (semver)
Unaffected: 6.4.10 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.