Security Advisory

CVE-2021-4149

5.5
MEDIUM

Vulnerability Description

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.
Published Date March 23, 2022
Official Source NIST NVD Advisory