VDB

DEBIAN-CVE-2021-4149

DEBIAN-CVE-2021-4149 PUBLISHED CVSS 5.5 MEDIUM

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.

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:14linux0
Debian:13linux0
Debian:12linux0

Timeline

  • Mar 23, 2022 CVE Published
  • Oct 23, 2026 CVE Updated
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