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 map that we’ve just looked up.

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