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CVE-2021-3667

UNKNOWN
Published 2022-03-02T00:00:00.000Z
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No CVSS data available

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.

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-q27q-h2jw-qq6c

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3667
WEB https://access.redhat.com/errata/RHSA-2021:3703
WEB https://access.redhat.com/errata/RHSA-2021:3704
WEB https://access.redhat.com/errata/RHSA-2021:4191
WEB https://access.redhat.com/security/cve/CVE-2021-3667
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1986094
WEB https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87
WEB https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87
WEB https://libvirt.org/git/?p=libvirt.git;a=commit;h=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87
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-20220331-0005

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

References

https://bugzilla.redhat.com/show_bug.cgi?id=1986094
https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87
https://gitlab.com/libvirt/libvirt/-/commit/447f69dec47e1b0bd15ecd7cd49a9fd3b050fb87
https://security.netapp.com/advisory/ntap-20220331-0005/
https://security.gentoo.org/glsa/202210-06
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
Published: 2022-03-02T00:00:00.000Z
Last Modified: 2025-02-13T16:28:25.782Z
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