Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to calculate 'add_size' after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing 'add_size' before dropping our extent map reference.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 11.0 |
| Linux | Linux Kernel | >= 5.16, < 6.1.108 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/8e7860543a94784d744c7ce34b78a2e11beefa5cPatch
- https://git.kernel.org/stable/c/b7859ff398b6b656e1689daa860eb34837b4bb89Patch
- https://git.kernel.org/stable/c/c1cc3326e27b0bd7a2806b40bc48e49afaf951e7Patch
- https://git.kernel.org/stable/c/c205565e0f2f439f278a4a94ee97b67ef7b56ae8Patch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2024-42314?
CVE-2024-42314 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to ...
How severe is CVE-2024-42314?
CVE-2024-42314 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-42314?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel.