CVE-2026-31434 | Linux Kernel up to 6.19.10 btrfs create_space_info_sub_group sub_group[] memory leak (Nessus ID 313522 / WID-SEC-2026-1252)
A vulnerability was found in Linux Kernel up to 6.1.167/6.6.130/6.12.79/6.18.20/6.19.10. It has been classified as critical. Affected by this vulnerability is the function create_space_info_sub_group of the component btrfs. The manipulation of the argument sub_group[] leads to memory leak.
This vulnerability is listed as CVE-2026-31434. The attack must be carried out from within the local network. There is no available exploit.
Upgrading the affected component is recommended.