CVE-2023-53766

Linux Kernel - Denial of Service via NULL Pointer Dereference in JFS txBegin

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref.

References (8)

Core 8

Scores

EPSS 0.0018
EPSS Percentile 7.2%

Details

Status published
Products (25)
linux/Kernel 2.6.12 - 4.14.324linux
linux/Kernel 4.15.0 - 4.19.293linux
linux/Kernel 4.20.0 - 5.4.255linux
linux/Kernel 5.11.0 - 5.15.123linux
linux/Kernel 5.16.0 - 6.1.42linux
linux/Kernel 5.5.0 - 5.10.192linux
linux/Kernel 6.2.0 - 6.4.7linux
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 2a8807f9f511c64de0c7cc9900a1683e3d72a3e5
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 2febd5f81e4bfba61d9f374dcca628aff374cc56
... and 15 more
Published Dec 08, 2025
Tracked Since Feb 18, 2026