CVE-2021-3631

medium

Description

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.

References

Details

Source: Mitre, NVD

Published: 2022-03-02

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 3.3

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00042