Improper Locking Affecting kernel-debug package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2323736
  • published22 Dec 2021
  • disclosed18 Oct 2021

Introduced: 18 Oct 2021

CVE-2021-4149  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 kernel-debug.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1