Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.20, < 5.10.227 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112Patch
- https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca
- https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391ePatch
- https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9Patch
- https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64Patch
- https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988Patch
- https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49Patch
- https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbePatch
- 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
FAQ
What is CVE-2024-49877?
CVE-2024-49877 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 tr...
How severe is CVE-2024-49877?
CVE-2024-49877 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-49877?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.