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CVE-2021-4149

MEDIUM CVSS: 5.5 Published: 2022-03-23 Modified: 2026-06-17

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.

Affected Platforms

Linux Linux KernelDebian Debian Linux

Weakness Type

CWE-667, CWE-667

References