linux: A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock...
CVE-2021-4149 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-4149, released March 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.14.16-1 | DEBIAN-CVE-2021-4149 | Mar 23, 2022 |
| linux · Debian 13.5 (trixie) | 5.14.16-1 | DEBIAN-CVE-2021-4149 | Mar 23, 2022 |
| linux · Debian 14 | 5.14.16-1 | DEBIAN-CVE-2021-4149 | Mar 23, 2022 |
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