vulnerability
VMware Photon OS: CVE-2021-3631
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:L/AC:M/Au:N/C:P/I:P/A:N) | Mar 2, 2022 | Jan 20, 2025 | Mar 25, 2026 |
Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
Mar 2, 2022
Added
Jan 20, 2025
Modified
Mar 25, 2026
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
vmware-photon_os_update_tdnf
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.