CVE-2022-0897
MEDIUMlibvirt < 1.1.1 - Denial of Service via Unprotected NWFilter List Iteration
Title source: llmDescription
A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).
References (3)
Core 3
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202210-06
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2063883
Scores
CVSS v3
4.3
EPSS
0.0008
EPSS Percentile
23.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-667
Status
published
Products (2)
netapp/ontap_select_deploy_administration_utility
redhat/libvirt
< 1.1.1
Published
Mar 25, 2022
Tracked Since
Feb 18, 2026