{"schemaVersion":3,"id":"CVE-2022-32166","aliases":["SUSE-SU-2022:4050-1","UBUNTU-CVE-2022-32166","USN-5698-1","USN-5698-2","DEBIAN-CVE-2022-32166","DLA-3168-1"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2022-09-28T09:30:12.924Z","modified":"2025-05-21T14:13:43.702Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","exploitability":4.6,"impact":7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","exploitability":4.6,"impact":7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00606,"percentile":0.48048,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.029000000000000033,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00577},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00606,"percentile":0.48048}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00577,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00606,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00606,"percentile":0.48048}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-125","name":"Out-of-bounds Read","description":"The product reads data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/125.html"}],"affected":[{"vendor":"cloudbase","product":"open_vswitch","name":"open vswitch","label":"open_vswitch","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 0.90.0, ≤ 2.5.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.90.0, ≤ 2.5.0","eol":null,"hubHref":"/vendor/cloudbase/open_vswitch"},{"vendor":"debian","product":"openvswitch","name":"openvswitch","label":"openvswitch","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openvswitch","purlType":"deb","versions":[{"text":"< 2.10.7+ds1-0+deb10u2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.13.0+dfsg1-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.10.7+ds1-0+deb10u2 | < 2.13.0+dfsg1-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"openvswitch","name":"openvswitch","label":"openvswitch","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openvswitch","purlType":"deb","versions":[{"text":"< 2.9.8-0ubuntu0.18.04.3","noFixRecorded":false,"fixedIn":null},{"text":"< 2.5.9-0ubuntu0.16.04.3+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.8-0ubuntu0.18.04.3 | < 2.5.9-0ubuntu0.16.04.3+esm1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"10.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"10.0","eol":{"isEol":true,"eolDate":"2024-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"10","label":"10 (Buster)","eolFrom":"2024-06-30T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"10.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"ovs","product":"ovs","name":"ovs","label":"ovs","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ v0.90.0, < unspecified","noFixRecorded":false,"fixedIn":null},{"text":"≥ unspecified, ≤ v2.5.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ v0.90.0, < unspecified | ≥ unspecified, ≤ v2.5.0","eol":null,"hubHref":"/vendor/ovs/ovs"},{"vendor":"suse","product":"openvswitch&distro=SUSE Linux Enterprise Server 12 SP5","name":"openvswitch","label":"openvswitch&distro=SUSE Linux Enterprise Server 12 SP5","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/openvswitch&distro=SUSE Linux Enterprise Server 12 SP5","purlType":"rpm","versions":[{"text":"< 2.11.5-3.12.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.11.5-3.12.1","eol":null,"hubHref":null},{"vendor":"suse","product":"openvswitch&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5","name":"openvswitch","label":"openvswitch&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/openvswitch&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5","purlType":"rpm","versions":[{"text":"< 2.11.5-3.12.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.11.5-3.12.1","eol":null,"hubHref":null}],"affectedCount":7,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://www.mend.io/vulnerability-database/CVE-2022-32166","label":"www.mend.io/vulnerability-database/CVE-2022-32166","hostname":"www.mend.io","tags":["REPORT","Third Party Advisory"]},{"url":"https://github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73","label":"github.com/cloudbase/ovs/commit/2ed6505555cdcb46f9b1f0329d1491b75290fc73","hostname":"github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00036.html","label":"lists.debian.org/debian-lts-announce/2022/10/msg00036.html","hostname":"lists.debian.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224050-1/","label":"www.suse.com/support/update/announcement/2022/suse-su-20224050-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1203865","label":"bugzilla.suse.com/1203865","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2022-32166","label":"www.suse.com/security/cve/CVE-2022-32166","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2022-32166","label":"ubuntu.com/security/CVE-2022-32166","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5698-1","label":"ubuntu.com/security/notices/USN-5698-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/notices/USN-5698-2","label":"ubuntu.com/security/notices/USN-5698-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-32166","label":"www.cve.org/CVERecord?id=CVE-2022-32166","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-32166","label":"security-tracker.debian.org/tracker/CVE-2022-32166","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["SUSE-SU-2023:1795-1","SUSE-SU-2023:2259-1","SUSE-SU-2023:2360-1"],"duplicates":[],"related":["SUSE-SU-2023:1795-1","SUSE-SU-2023:2259-1","SUSE-SU-2023:2360-1"]},"timeline":[{"kind":"published","date":"2022-09-28T09:30:12.924Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-05-21T14:13:43.702Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":25,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T11:15:48.943Z","stale":false,"partial":false}}