Vulnerability Monitor

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CVE-2021-3631


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.


Published

2022-03-02T23:15:08.677

Last Modified

2024-11-21T06:22:01.480

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.3 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:N

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.4

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-732
  • Type: Secondary
    CWE-732

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat libvirt < 7.5.0 Yes
Application redhat openshift_container_platform 4.8 Yes
Operating System redhat enterprise_linux 8.0 Yes
Application netapp ontap_select_deploy_administration_utility - Yes

References