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.
References
Link | Resource |
---|---|
https://access.redhat.com/errata/RHSA-2021:3631 | Vendor Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1977726 | Issue Tracking Vendor Advisory |
https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2 | Patch Third Party Advisory |
https://gitlab.com/libvirt/libvirt/-/issues/153 | Exploit Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html | |
https://security.gentoo.org/glsa/202210-06 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20220331-0010/ | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2022-03-02T00:00:00
Updated: 2024-04-01T13:06:10.250799
Reserved: 2021-06-30T00:00:00
Link: CVE-2021-3631
JSON object: View
NVD Information
Status : Modified
Published: 2022-03-02T23:15:08.677
Modified: 2024-04-01T13:16:41.153
Link: CVE-2021-3631
JSON object: View
Redhat Information
No data.
CWE