{"id":"CVE-2026-98081","published":"2026-09-25T11:17:37.573","lastModified":"2026-09-25T11:17:37.573","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: finish active block group cleanup if call_zone_finish() fails\n\ndo_zone_finish() clears BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE before finishing\nthe zones. If call_zone_finish() then fails it returned early, leaving the\nnow inactive block group on fs_info->zone_active_bgs, leaking its\nreference, the BTRFS_FS_NEED_ZONE_FINISH waiters are never woken, and as\nits alloc_offset equals the zone capacity btrfs_zone_finish_one_bg() keeps\nselecting it, spinning btrfs_zoned_activate_one_bg().\n\nFall through to the cleanup on failure too and return the error, but keep\nthe block group read-only as its zones are left inconsistent.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/36b9cdab44848f25879ca625275c92b007f84653","tags":[]},{"url":"https://git.kernel.org/stable/c/40370f02a1ca3760f8925ffcbe76eb4d91ea758d","tags":[]},{"url":"https://git.kernel.org/stable/c/a18a6b93a2843b9d103d3456bbd4b3f90282a379","tags":[]},{"url":"https://git.kernel.org/stable/c/e1b168a53174b385e3548bfbd079513b22ac240c","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}