CVE-2022-49469 Information

Description

In the Linux kernel the following vulnerability has been resolved:

btrfs: fix anon_dev leak in create_subvol()

When btrfs_qgroup_inherit() btrfs_alloc_tree_block or btrfs_insert_root() fail in create_subvol() we return without freeing anon_dev. Reorganize the error handling in create_subvol() to fix this.

Reference

https://git.kernel.org/stable/c/2256e901f5bddc56e24089c96f27b77da932dfcc https://git.kernel.org/stable/c/7a875ad8706f0903a0e812e0dd701956ee9826ff https://git.kernel.org/stable/c/d887b3de318834f9aa637ecf79c6bc66cba7c69a