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CVE-2023-54264

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CVE-2023-54264

Published: Dec 30, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
e5657933863f43cc6bb76a54d659303dafaa9e58 - < e976988bc245ec3768cc0f76bed7d05488a7dd0f
affected
e5657933863f43cc6bb76a54d659303dafaa9e58 - < baa60c66a310c50785289b0ede6fdce8ec3219c7
affected
e5657933863f43cc6bb76a54d659303dafaa9e58 - < 0a44ceba77c3267f8505dda102a59367dc24caee
affected
e5657933863f43cc6bb76a54d659303dafaa9e58 - < 7f740bc696d4617f8ee44565e8ac0d36278a1e91
affected
e5657933863f43cc6bb76a54d659303dafaa9e58 - < afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635

+3 more versions

Linux

Linux

affected
2.6.19
unaffected
0 - < 2.6.19
unaffected
4.14.322 - <= 4.14.*
unaffected
4.19.291 - <= 4.19.*
unaffected
5.4.253 - <= 5.4.*

+5 more versions

References

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