Incorrect Permission Assignment for Critical Resource Affecting libvirt-daemon-driver-storage-core package, versions <0:5.7.0-38.el7


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-ORACLE7-LIBVIRTDAEMONDRIVERSTORAGECORE-3159893
  • published 10 Apr 2022
  • disclosed 2 Mar 2022

How to fix?

Upgrade Oracle:7 libvirt-daemon-driver-storage-core to version 0:5.7.0-38.el7 or higher.
This issue was patched in ELSA-2022-10062.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-storage-core package and not the libvirt-daemon-driver-storage-core package as distributed by Oracle. See How to fix? for Oracle: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
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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