CVE-2023-54264 Security Details

CVE ID

CVE-2023-54264

CWE

N/A

CVE 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.

Published

Dec 31, 2025

CVSS Score & Severity

6.8Medium

CVSS Vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS Score

0.036%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Affected Ecosystems

affected

Source

National Vulnerability Database

References

https://lore.kernel.org/linux-cve-announce/2025123058-CVE-2023-54264-64bd@gregkh/PROJECT