CVEvulnerability
CVE-2021-3631
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:L/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-732
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.
Affected configurations
• redhat libvirt (< 7.5.0)
• redhat openshift container platform 4.8
• redhat enterprise linux 8.0
• netapp ontap select deploy administration utility
Related
Weakness · CWE (1)
- CWE-732 Incorrect Permission Assignment for Critical Resource weakness
References
- 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 lists.debian.org
- https://security.gentoo.org/glsa/202210-06 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220331-0010/ Third Party Advisory
- 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 lists.debian.org
- https://security.gentoo.org/glsa/202210-06 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220331-0010/ Third Party Advisory