VULNERABILITY INTELLIGENCE

CVE-2023-53457

CVSS score5.5 MEDIUM
EPSS probability0.16%
CISA KEVNot currently listed
Published2025-10-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.

Weakness classification

  • nvd@nist.gov: CWE-476

Primary references