Incorrect Permission Assignment for Critical Resource Affecting libvirt package, versions <0:6.0.0-37.module+el8.5.0+670+c4aa478c


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRT-3286625
  • published5 Jan 2023
  • disclosed2 Mar 2022

Introduced: 2 Mar 2022

CVE-2021-3631  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libvirt to version 0:6.0.0-37.module+el8.5.0+670+c4aa478c or higher.
This issue was patched in RLSA-2021:4191.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.

CVSS Scores

version 3.1