CVE-2026-43393
Not scored
btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()
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.
Exploit probability
0.1%
Published
May 8, 2026
Required by
Not available
Last source change
July 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-43393
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
- https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab
- https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a
- https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43393.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-43393