{"schema_version":"1.9.0","id":"CVE-2022-32166","published":"2022-09-28T09:30:12.924Z","modified":"2026-08-12T13:32:55.668931Z","related":["SUSE-SU-2022:4050-1","SUSE-SU-2023:1795-1","SUSE-SU-2023:2259-1","SUSE-SU-2023:2360-1"],"summary":"ovs - buffer over-read","details":"In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cloudbase/ovs","events":[{"introduced":"064af42167bf4fc9aaea2702d80ce08074b889c0"},{"fixed":"2ed6505555cdcb46f9b1f0329d1491b75290fc73"}],"database_specific":{"cpe":"cpe:2.3:a:cloudbase:open_vswitch:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.90.0"},{"last_affected":"2.5.0"}],"source":["CPE_RANGE","REFERENCES"]}},{"type":"GIT","repo":"https://github.com/openvswitch/ovs","events":[{"introduced":"064af42167bf4fc9aaea2702d80ce08074b889c0"},{"last_affected":"22d4614ddf83988a3771fb379ea029e663b4455a"}],"database_specific":{"cpe":"cpe:2.3:a:cloudbase:open_vswitch:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.90.0"},{"last_affected":"2.5.0"}],"source":"CPE_RANGE"}}],"versions":["v0.90.0","v1.1.0pre2","v1.1.0pre1","v1.0.1","v1.0.0","v0.99.2","v0.99.1","v0.99.0","v0.90.4","v2.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-32166.json","vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"208215384234482172340336223139379563494","length":164},"id":"CVE-2022-32166-4d723460","signature_type":"Function","signature_version":"v1","source":"https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73","target":{"file":"lib/flow.c","function":"minimask_equal"}},{"deprecated":false,"digest":{"line_hashes":["41358173139995879416545344666372893953","322584161329975065975638219048573548520","268704611598834092544834149148232855461","308131195466907709094624850125095216989","148012374010338462517758330580087247405","4946619544234895480100840852610817772"],"threshold":0.9},"id":"CVE-2022-32166-f1ea317a","signature_type":"Line","signature_version":"v1","source":"https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73","target":{"file":"lib/flow.c"}}],"vanir_signatures_modified":"2026-08-12T13:32:55Z"}}],"references":[{"type":"WEB","url":"https://www.mend.io/vulnerability-database/CVE-2022-32166"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/32xxx/CVE-2022-32166.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-32166"},{"type":"FIX","url":"https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00036.html"}],"database_specific":{"cna_assigner":"Mend","cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/32xxx/CVE-2022-32166.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"}]}