Alpaquita Linux
Security Advisory

CVE-2021-3631

Published: August 31, 2023Last modified: August 31, 2023

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.

Severity score breakdown

ParameterValue
Base score6.3
Attack VectorLOCAL
Attack complexityHIGH
Privileges requiredLOW
User interactionNONE
ScopeUNCHANGED
ConfidentialityHIGH
Integrity impactHIGH
Availability impactNONE
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSlibvirtNot affected (8.9.0-r5)
StreamlibvirtNot affected (9.6.0-r0)

References

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