vulnerability

Gentoo Linux: CVE-2021-3631: libvirt: Multiple Vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
Mar 2, 2022
Added
Oct 17, 2022
Modified
Aug 13, 2025

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.

Solutions

gentoo-linux-upgrade-app-emulation-libvirtgentoo-linux-upgrade-dev-python-libvirt-python
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.