Riskcovery

CVE-2023-54264

fs/sysv: Null check to prevent null-ptr-deref bug

State
Published
Severity
Not scored
Published
Dec 30, 2025
Updated
May 11, 2026
Reserved
Dec 30, 2025

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before e976988bc245ec3768cc0f76bed7d05488a7dd0fAffected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before baa60c66a310c50785289b0ede6fdce8ec3219c7Affected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before 0a44ceba77c3267f8505dda102a59367dc24caeeAffected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before 7f740bc696d4617f8ee44565e8ac0d36278a1e91Affected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635Affected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before 1416eebaad80bdc85ad9f97f27242011b031e2a9Affected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before e28f376dd8dfcc4e880ac101184132bc08703f6eAffected
  • e5657933863f43cc6bb76a54d659303dafaa9e58 to before ea2b62f305893992156a798f665847e0663c9f41Affected
LinuxLinux
  • 2.6.19Affected
  • before 2.6.19Not affected
  • 4.14.322 through 4.14.*Not affected
  • 4.19.291 through 4.19.*Not affected
  • 5.4.253 through 5.4.*Not affected
  • 5.10.190 through 5.10.*Not affected
  • 5.15.126 through 5.15.*Not affected
  • 6.1.45 through 6.1.*Not affected
  • 6.4.10 through 6.4.*Not affected
  • 6.5 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.