CVE-2021-3631

2022-03-0200:00:00

CWE-732

redhat

www.cve.org

libvirt

selinux

dynamic labels

svirt confinement

confidentiality

integrity

vulnerability

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

26.8%

JSON

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.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "libvirt",
    "versions": [
      {
        "version": "Fixed-In - libvirt v7.5.0",
        "status": "affected"
      }
    ]
  }
]