{"id":"CVE-2022-0897","details":"A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver-\u003enwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver-\u003enwfilters 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).","modified":"2026-03-14T11:21:00.246621Z","published":"2022-03-25T19:15:10.340Z","related":["ALSA-2022:8003","SUSE-SU-2022:1540-1","SUSE-SU-2022:1549-1","SUSE-SU-2023:2754-1","openSUSE-SU-2024:11972-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202210-06"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2063883"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libvirt/libvirt","events":[{"introduced":"0"},{"last_affected":"e9b8c9dc80ec53643824a054300f40d45219bf35"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.1.1"}]}}],"versions":["CVE-2008-5086","CVE-2010-2238","CVE-2010-2242","CVE-2011-1146","CVE-2011-1486","CVE-2011-2178","CVE-2012-3411","CVE-2012-3445","CVE-2012-4423","CVE-2013-0170","CVE-2013-1962","CVE-2013-2218","CVE-2013-2230","CVE-2013-4153","CVE-2013-4154","LIBVIRT_0_0_3","LIBVIRT_0_0_4","LIBVIRT_0_0_5","LIBVIRT_0_1_0","LIBVIRT_0_1_1","LIBVIRT_0_1_10","LIBVIRT_0_1_11","LIBVIRT_0_1_3","LIBVIRT_0_1_4","LIBVIRT_0_1_6","LIBVIRT_0_1_7","LIBVIRT_0_1_8","LIBVIRT_0_1_9","LIBVIRT_0_2_0","LIBVIRT_0_2_1","LIBVIRT_0_2_2","LIBVIRT_0_3_0","LIBVIRT_0_3_1","LIBVIRT_0_3_2","LIBVIRT_0_3_3","LIBVIRT_0_4_1","LIBVIRT_0_4_2","LIBVIRT_0_4_4","LIBVIRT_0_4_6","LIBVIRT_0_5_0","LIBVIRT_0_5_1","LIBVIRT_0_6_0","LIBVIRT_0_6_1","LIBVIRT_0_6_2","LIBVIRT_0_6_3","LIBVIRT_0_6_4","LIBVIRT_0_6_5","LIBVIR_0_0_1","LIBVIR_0_0_2","LIVIRT_0_2_3","v0.0.1","v0.0.2","v0.0.3","v0.0.4","v0.0.5","v0.1.0","v0.1.1","v0.1.10","v0.1.11","v0.1.3","v0.1.4","v0.1.6","v0.1.7","v0.1.8","v0.1.9","v0.10.0","v0.10.0-rc0","v0.10.0-rc1","v0.10.0-rc2","v0.10.1","v0.10.2","v0.10.2-rc1","v0.10.2-rc2","v0.2.0","v0.2.1","v0.2.2","v0.2.3","v0.3.0","v0.3.1","v0.3.2","v0.3.3","v0.4.1","v0.4.2","v0.4.4","v0.4.6","v0.5.0","v0.5.1","v0.6.0","v0.6.1","v0.6.2","v0.6.3","v0.6.4","v0.6.5","v0.7.0","v0.7.1","v0.7.2","v0.7.3","v0.7.4","v0.7.5","v0.7.6","v0.7.7","v0.8.0","v0.8.1","v0.8.2","v0.8.3","v0.8.4","v0.8.5","v0.8.6","v0.8.7","v0.8.8","v0.9.0","v0.9.1","v0.9.10","v0.9.10-rc1","v0.9.10-rc2","v0.9.11","v0.9.11-rc1","v0.9.11-rc2","v0.9.12","v0.9.12-rc1","v0.9.12-rc2","v0.9.13","v0.9.13-rc1","v0.9.13-rc2","v0.9.2","v0.9.3","v0.9.3-rc1","v0.9.3-rc2","v0.9.4","v0.9.4-rc1","v0.9.4-rc2","v0.9.5","v0.9.5-rc1","v0.9.5-rc2","v0.9.5-rc3","v0.9.6","v0.9.7","v0.9.7-rc1","v0.9.8","v0.9.8-rc1","v0.9.8-rc2","v0.9.9","v0.9.9-rc1","v0.9.9-rc2","v1.0.0","v1.0.0-rc1","v1.0.0-rc2","v1.0.0-rc3","v1.0.1","v1.0.1-rc1","v1.0.1-rc2","v1.0.2","v1.0.2-rc1","v1.0.2-rc2","v1.0.3","v1.0.3-rc1","v1.0.3-rc2","v1.0.4","v1.0.4-rc1","v1.0.4-rc2","v1.0.5","v1.0.5-rc1","v1.0.6","v1.0.6-rc1","v1.0.6-rc2","v1.1.0","v1.1.0-rc1","v1.1.0-rc2","v1.1.1","v1.1.1-rc1","v1.1.1-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0897.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}