Incorrect Permission Assignment for Critical Resource Affecting libvirt package, versions <7.6.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIAN12-LIBVIRT-1551076
  • published5 Jul 2021
  • disclosed2 Mar 2022

Introduced: 5 Jul 2021

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

How to fix?

Upgrade Debian:12 libvirt to version 7.6.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Debian. See How to fix? for Debian:12 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