CVE-2026-43393
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…
Does this matter?
Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.12% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.