CVEvulnerability

CVE-2023-53457

5.5 MEDIUM Published 2025-10-01 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-10-01
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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.

Affected configurations

• linux linux kernel (>= 2.6.12.1 < 4.14.324) • linux linux kernel (>= 4.15 < 4.19.293) • linux linux kernel (>= 4.20 < 5.4.255) • linux linux kernel (>= 5.5 < 5.10.192) • linux linux kernel (>= 5.11 < 5.15.123) • linux linux kernel (>= 5.16 < 6.1.42) • linux linux kernel (>= 6.2 < 6.4.7) • linux linux kernel 2.6.12

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References