CVEvulnerability
CVE-2026-43393
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-08
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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.
Affected configurations
• linux linux kernel (>= 6.12 < 6.12.78)
• linux linux kernel (>= 6.13 < 6.18.19)
• linux linux kernel (>= 6.19 < 6.19.9)
• linux linux kernel 7.0
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5 Patch
- https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab Patch
- https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a Patch
- https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050 Patch