CVE-2024-49877: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.

Affected products

  • Linux Linux Kernel: from 4.20, before 5.10.227 (fixed in 5.10.227); from 5.11, before 5.15.168 (fixed in 5.15.168); from 5.16, before 6.1.113 (fixed in 6.1.113); from 6.2, before 6.6.55 (fixed in 6.6.55); from 6.7, before 6.10.14 (fixed in 6.10.14); from 6.11, before 6.11.3 (fixed in 6.11.3); …

Published 2024-10-21. Last modified 2026-06-17.