Incorrect Permission Assignment for Critical Resource Affecting libvirt-daemon package, versions <7.1.0-6.5.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-SLES153-LIBVIRTDAEMON-2667261
  • published 14 Apr 2022
  • disclosed 23 Aug 2021

How to fix?

Upgrade SLES:15.3 libvirt-daemon to version 7.1.0-6.5.1 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:15.3 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
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NVD

6.3 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    None
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SUSE

4.3 medium
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Red Hat

3 low