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CVE-2021-4149

CVSS v3.1 5.5 (Medium)
55% Progress
CVSS v2.0 2.1 (Low)
21% Progress
EPSS 0.05 % (22th)
0.05% Progress
Affected Products 2
Advisories 24
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-667
Improper Locking
CVE Status
PUBLISHED
CNA
Red Hat, Inc.
Published Date
2022-03-23 20:15:09
(2 years ago)
Updated Date
2023-02-01 15:53:09
(19 months ago)

Affected Products

Debian

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel prior 5.15 version cpe:2.3:o:linux:linux_kernel < 5.15
  Linux Kernel 5.15 cpe:2.3:o:linux:linux_kernel:5.15:-
  Linux Kernel 5.15 Rc1 cpe:2.3:o:linux:linux_kernel:5.15:rc1
  Linux Kernel 5.15 Rc2 cpe:2.3:o:linux:linux_kernel:5.15:rc2
  Linux Kernel 5.15 Rc3 cpe:2.3:o:linux:linux_kernel:5.15:rc3
  Linux Kernel 5.15 Rc4 cpe:2.3:o:linux:linux_kernel:5.15:rc4
  Linux Kernel 5.15 Rc5 cpe:2.3:o:linux:linux_kernel:5.15:rc5

Configuration #2

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0