Improper Locking Affecting libvirt-daemon package, versions <6.0.0-13.24.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-SLES152-LIBVIRTDAEMON-2650229
  • published14 Apr 2022
  • disclosed11 Jan 2022

Introduced: 11 Jan 2022

CVE-2021-4147  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 libvirt-daemon to version 6.0.0-13.24.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon package and not the libvirt-daemon package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.

CVSS Base Scores

version 3.1