Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy h_size fixup Commit a70f9fe52daa ("xfs: detect and handle invalid iclog size set by mkfs") added a fixup for incorrect h_size values used for the initial umount record in old xfsprogs versions. Later commit 0c771b99d6c9 ("xfs: clean up calculation of LR header blocks") cleaned up the log reover buffer calculation, but stoped using the fixed up h_size value to size the log recovery buffer, which can lead to an out of bounds access when the incorrect h_size does not come from the old mkfs tool, but a fuzzer. Fix this by open coding xlog_logrec_hblks and taking the fixed h_size into account for this calculation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 6.9.3 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/45cf976008ddef4a9c9a30310c9b4fb2a9a6602aMailing ListPatch
- https://git.kernel.org/stable/c/57835c0e7152e36b03875dd6c56dfeed685c1b1f
- https://git.kernel.org/stable/c/c2389c074973aa94e34992e7f66dac0de37595b5
- https://git.kernel.org/stable/c/f754591b17d0ee91c2b45fe9509d0cdc420527cb
- https://git.kernel.org/stable/c/45cf976008ddef4a9c9a30310c9b4fb2a9a6602aMailing ListPatch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
FAQ
What is CVE-2024-39472?
CVE-2024-39472 is a vulnerability with a CVSS score of 7.3 (HIGH). In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy h_size fixup Commit a70f9fe52daa ("xfs: detect and handle invalid iclog siz...
How severe is CVE-2024-39472?
CVE-2024-39472 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-39472?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.