CVE-2024-49877

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.

Score

CVSS 3.1 5.5 Medium

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2024-10-21

Last modified

2026-05-23

Weaknesses

CWE-476

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112
• https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca
• https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e
• https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9
• https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64
• https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988
• https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49
• https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe
• https://git.kernel.org/stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html