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Related Vulnerabilities: CVE-2021-3631

A security issue was found in libvirt before version 7.5.0 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.

Source

Severity Medium

Remote No

Type Information disclosure

Description

A security issue was found in libvirt before version 7.5.0 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.

AVG-2124 libvirt 1:7.3.0-1 Medium Not affected

https://bugzilla.redhat.com/show_bug.cgi?id=1977726
https://gitlab.com/libvirt/libvirt/-/issues/153
https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2

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