cbcvebase.
CVE-2021-3631
published 2022-03-02

CVE-2021-3631: 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…

medium6.3CVSS 3.1
AVLACHPRLUINSUCHIHAN
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.

Affected

12 ranges
VendorProductVersion rangeFixed in
debianlibvirt< libvirt 7.6.0-1 (bookworm)libvirt 7.6.0-1 (bookworm)
msrccm1_libvirt_6.1.0-5_on_cbl_mariner_1.0
redhatenterprise_linux
redhatlibvirt< 7.5.07.5.0
redhatlibvirt
redhatlibvirt>= 0 < 7.0.0-3+deb11u37.0.0-3+deb11u3
redhatlibvirt>= 0 < 7.6.0-17.6.0-1
redhatlibvirt>= 0 < 7.6.0-17.6.0-1
redhatlibvirt>= 0 < 7.6.0-17.6.0-1
redhatlibvirt>= 0 < 4.0.0-1ubuntu8.214.0.0-1ubuntu8.21
redhatlibvirt>= 0 < 6.0.0-0ubuntu8.166.0.0-0ubuntu8.16
redhatopenshift_container_platform

CVSS provenance

nvdv3.16.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
osv6.7MEDIUM