cve 2022 49469

CVE-2022-49469 is a Linux kernel vulnerability in the Btrfs filesystem's create_subvol path. A memory-management bug could leak an internal anon_dev allocation, potentially causing sustained availability problems on affected systems. Administrators should treat this as a local Denial-of-Service risk and apply vendor kernel updates as soon as possible. The fix involved a small reordering of error handling to ensure proper cleanup. This tag covers discussions and technical details about the vulnerability, its impact, and the necessary patches.