CVE-2026-43393

high

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.

References

https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050

https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a

https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab

https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5

Details

Source: Mitre, NVD

Published: 2026-05-08

Updated: 2026-05-08

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High