Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.12, < 6.12.78 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5Patch
- https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832abPatch
- https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20aPatch
- https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050Patch
FAQ
What is CVE-2026-43393?
CVE-2026-43393 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we...
How severe is CVE-2026-43393?
CVE-2026-43393 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-2026-43393?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.