Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-3631

UNKNOWN
Published 2022-03-02T00:00:00
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-3631. We'll provide specific mitigation strategies based on your environment and risk profile.

No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-4225-xq9f-4ww3

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3631
WEB https://access.redhat.com/errata/RHSA-2021:3631
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1977726
WEB https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2
WEB https://gitlab.com/libvirt/libvirt/-/issues/153
WEB https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
WEB https://security.gentoo.org/glsa/202210-06
WEB https://security.netapp.com/advisory/ntap-20220331-0010

Advisory provided by GitHub Security Advisory Database. Published: March 4, 2022, Modified: April 1, 2024

References

https://bugzilla.redhat.com/show_bug.cgi?id=1977726
https://gitlab.com/libvirt/libvirt/-/issues/153
https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2
https://access.redhat.com/errata/RHSA-2021:3631
https://security.netapp.com/advisory/ntap-20220331-0010/
https://security.gentoo.org/glsa/202210-06
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
Published: 2022-03-02T00:00:00
Last Modified: 2024-11-19T19:33:55.041Z
Copied to clipboard!