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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.

🗓️ 11 Mar 2022 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

A flaw in libvirt dynamic labeling allows cross-guest MCS access, breaking sVirt confinement.

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11 Mar 2022 08:00Current
7.3High risk
Vulners AI Score7.3
CVSS 23.3
CVSS 3.16.3
EPSS0.00493
SSVC
1