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{"acknowledgement": "This issue was discovered by Daniel Berrang\u00e9 (Red Hat).", "affected_release": [{"advisory": "RHSA-2022:7472", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8070020220921004438.3b9f49c4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:7472", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8070020220921004438.3b9f49c4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:8003", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libvirt-0:8.5.0-7.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "libvirt: missing locking in nwfilterConnectNumOfNWFilters can lead to denial of service", "id": "2063883", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2063883"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-667", "details": ["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).", "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)."], "name": "CVE-2022-0897", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libvirt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Will not fix", "package_name": "virt:8.2/libvirt", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Will not fix", "package_name": "virt:av/libvirt", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}], "public_date": "2022-03-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-0897\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0897"], "statement": "A future update may address this issue in Red Hat Enterprise Linux 8 and RHEL Advanced Virtualization.", "threat_severity": "Low", "upstream_fix": "libvirt 8.0.0-8"}