CVE-2023-53766: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 2.6.12, before 4.14.324 (fixed in 4.14.324); from 4.15, before 4.19.293 (fixed in 4.19.293); from 4.20, before 5.4.255 (fixed in 5.4.255); from 5.5, before 5.10.192 (fixed in 5.10.192); from 5.11, before 5.15.123 (fixed in 5.15.123); from 5.16, before 6.1.42 (fixed in 6.1.42); …

Published 2025-12-08. Last modified 2026-06-17.