CVE-2023-54264

Linux Kernel - Null Pointer Dereference

Title source: llm
STIX 2.1

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

EPSS 0.0018
EPSS Percentile 8.3%

Details

Status published
Products (25)
linux/Kernel 2.6.19 - 4.14.322linux
linux/Kernel 4.15.0 - 4.19.291linux
linux/Kernel 4.20.0 - 5.4.253linux
linux/Kernel 5.11.0 - 5.15.126linux
linux/Kernel 5.16.0 - 6.1.45linux
linux/Kernel 5.5.0 - 5.10.190linux
linux/Kernel 6.2.0 - 6.4.10linux
Linux/Linux < 2.6.19
Linux/Linux 2.6.19
Linux/Linux 4.14.322 - 4.14.*
... and 15 more
Published Dec 30, 2025
Tracked Since Feb 18, 2026