CVE-2026-43393

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/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5
• https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab
• https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a
• https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050