Unrated severityNVD Advisory· Published Mar 2, 2022· Updated Feb 13, 2025
CVE-2021-3667
CVE-2021-3667
Description
An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.
Affected products
1- Range: Fixedin - libvert v7.6.0-rc1 and above
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- security.gentoo.org/glsa/202210-06mitrevendor-advisory
- bugzilla.redhat.com/show_bug.cgimitre
- gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87mitre
- libvirt.org/git/mitre
- lists.debian.org/debian-lts-announce/2024/04/msg00000.htmlmitre
- security.netapp.com/advisory/ntap-20220331-0005/mitre
News mentions
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