Incorrect Permission Assignment for Critical Resource Affecting libvirt-lock-sanlock package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-RHEL7-LIBVIRTLOCKSANLOCK-1407742
  • published26 Jul 2021
  • disclosed13 Apr 2021

Introduced: 13 Apr 2021

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

How to fix?

There is no fixed version for RHEL:7 libvirt-lock-sanlock.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-lock-sanlock package and not the libvirt-lock-sanlock package as distributed by RHEL. See How to fix? for RHEL:7 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