CVE-2023-54264

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

published December 30, 2025

CVSS
—
EPSS
0%
Percentile
10.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00211 · 10.8th percentile
Published
2025-12-30T12:15Z
EPSS history
Timeline
  • 30 DEC 12:15Z
    fs/sysv: Null check to prevent null-ptr-deref bug
    cvelistv5