vulnerability
Debian: CVE-2021-3631: libvirt -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:L/AC:M/Au:N/C:P/I:P/A:N) | Mar 2, 2022 | Apr 3, 2024 | Aug 15, 2025 |
Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
Mar 2, 2022
Added
Apr 3, 2024
Modified
Aug 15, 2025
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.
Solution
debian-upgrade-libvirt
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