{"schemaVersion":3,"id":"CVE-2021-45486","aliases":["UBUNTU-CVE-2021-45486","DEBIAN-CVE-2021-45486"],"status":"published","duplicateOf":null,"title":null,"description":"In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.","dates":{"published":"2021-12-25T01:04:27.000Z","modified":"2024-08-04T04:39:21.222Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.5,"severity":"low","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":3.5,"severity":"low","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","exploitability":5.4,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":3.5,"severity":"low","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","exploitability":5.4,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":3.5,"severity":"low","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.7,"severity":"low","vector":"AV:A/AC:L/Au:S/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00399,"percentile":0.32977,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.03099999999999995,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00368},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00399,"percentile":0.32977}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00386,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00399,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00399,"percentile":0.32977}]},"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-327","name":"Use of a Broken or Risky Cryptographic Algorithm","description":"The product uses a broken or risky cryptographic algorithm or protocol.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/327.html"}],"affected":[{"vendor":"debian","product":"linux","name":"linux","label":"linux","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/linux","purlType":"deb","versions":[{"text":"< 5.10.38-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.10.38-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux","name":"linux","label":"linux","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 4.4.0-223.256","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-156.163","noFixRecorded":false,"fixedIn":null},{"text":"< 5.4.0-77.86","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 4.4.0-223.256 | < 4.15.0-156.163 | < 5.4.0-77.86","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws","name":"linux-aws","label":"linux-aws","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws","purlType":"deb","versions":[{"text":"< 4.4.0-1103.108","noFixRecorded":false,"fixedIn":null},{"text":"< 4.4.0-1139.153","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-1111.118","noFixRecorded":false,"fixedIn":null},{"text":"< 5.4.0-1051.53","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1103.108 | < 4.4.0-1139.153 | < 4.15.0-1111.118 | < 5.4.0-1051.53","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-5.0","name":"linux-aws-5.0","label":"linux-aws-5.0","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-5.0","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-5.3","name":"linux-aws-5.3","label":"linux-aws-5.3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-5.3","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-5.4","name":"linux-aws-5.4","label":"linux-aws-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1051.53~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1051.53~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-5.8","name":"linux-aws-5.8","label":"linux-aws-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-fips","name":"linux-aws-fips","label":"linux-aws-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-fips","purlType":"deb","versions":[{"text":"< 4.15.0-2053.55","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 5.4.0-1069.73+fips2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2053.55 | All versions (No fix recorded) | < 5.4.0-1069.73+fips2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws-hwe","name":"linux-aws-hwe","label":"linux-aws-hwe","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws-hwe","purlType":"deb","versions":[{"text":"< 4.15.0-1111.118~16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1111.118~16.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure","name":"linux-azure","label":"linux-azure","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure","purlType":"deb","versions":[{"text":"< 4.15.0-1123.136~14.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-1123.136~16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 5.4.0-1051.53","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1123.136~14.04.1 | < 4.15.0-1123.136~16.04.1 | All versions (No fix recorded) | < 5.4.0-1051.53","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-4.15","name":"linux-azure-4.15","label":"linux-azure-4.15","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-4.15","purlType":"deb","versions":[{"text":"< 4.15.0-1123.136","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1123.136","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-5.3","name":"linux-azure-5.3","label":"linux-azure-5.3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-5.3","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-5.4","name":"linux-azure-5.4","label":"linux-azure-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1051.53~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1051.53~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-5.8","name":"linux-azure-5.8","label":"linux-azure-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-edge","name":"linux-azure-edge","label":"linux-azure-edge","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-edge","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-azure-fips","name":"linux-azure-fips","label":"linux-azure-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-azure-fips","purlType":"deb","versions":[{"text":"< 4.15.0-2035.39","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 5.4.0-1073.76+fips1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2035.39 | All versions (No fix recorded) | < 5.4.0-1073.76+fips1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-bluefield","name":"linux-bluefield","label":"linux-bluefield","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-bluefield","purlType":"deb","versions":[{"text":"< 5.4.0-1013.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1013.16","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-dell300x","name":"linux-dell300x","label":"linux-dell300x","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-dell300x","purlType":"deb","versions":[{"text":"< 4.15.0-1027.32","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1027.32","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-fips","name":"linux-fips","label":"linux-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-fips","purlType":"deb","versions":[{"text":"< 4.4.0-1073.79","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 4.15.0-1069.78","noFixRecorded":false,"fixedIn":null},{"text":"< 5.4.0-1028.32","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1073.79 | All versions (No fix recorded) | < 4.15.0-1069.78 | < 5.4.0-1028.32","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp","name":"linux-gcp","label":"linux-gcp","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp","purlType":"deb","versions":[{"text":"< 4.15.0-1108.122~16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 5.4.0-1046.49","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1108.122~16.04.1 | All versions (No fix recorded) | < 5.4.0-1046.49","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-4.15","name":"linux-gcp-4.15","label":"linux-gcp-4.15","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-4.15","purlType":"deb","versions":[{"text":"< 4.15.0-1108.122","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1108.122","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-5.3","name":"linux-gcp-5.3","label":"linux-gcp-5.3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-5.3","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-5.4","name":"linux-gcp-5.4","label":"linux-gcp-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1046.49~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1046.49~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-5.8","name":"linux-gcp-5.8","label":"linux-gcp-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gcp-fips","name":"linux-gcp-fips","label":"linux-gcp-fips","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gcp-fips","purlType":"deb","versions":[{"text":"< 4.15.0-2018.20","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 5.4.0-1067.71~20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-2018.20 | All versions (No fix recorded) | < 5.4.0-1067.71~20.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gke","name":"linux-gke","label":"linux-gke","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gke","purlType":"deb","versions":[{"text":"< 5.4.0-1046.48","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1046.48","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gke-4.15","name":"linux-gke-4.15","label":"linux-gke-4.15","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gke-4.15","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gke-5.4","name":"linux-gke-5.4","label":"linux-gke-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gke-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1046.48~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1046.48~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gkeop","name":"linux-gkeop","label":"linux-gkeop","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gkeop","purlType":"deb","versions":[{"text":"< 5.4.0-1018.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1018.19","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-gkeop-5.4","name":"linux-gkeop-5.4","label":"linux-gkeop-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-gkeop-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1018.19~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1018.19~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe","name":"linux-hwe","label":"linux-hwe","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe","purlType":"deb","versions":[{"text":"< 4.15.0-156.163~16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 4.15.0-156.163~16.04.1 | All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe-5.11","name":"linux-hwe-5.11","label":"linux-hwe-5.11","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe-5.11","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe-5.4","name":"linux-hwe-5.4","label":"linux-hwe-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-77.86~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-77.86~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe-5.8","name":"linux-hwe-5.8","label":"linux-hwe-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-hwe-edge","name":"linux-hwe-edge","label":"linux-hwe-edge","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-hwe-edge","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-intel-5.13","name":"linux-intel-5.13","label":"linux-intel-5.13","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-intel-5.13","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-intel-iot-realtime","name":"linux-intel-iot-realtime","label":"linux-intel-iot-realtime","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-intel-iot-realtime","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-kvm","name":"linux-kvm","label":"linux-kvm","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-kvm","purlType":"deb","versions":[{"text":"< 4.4.0-1104.113","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-1099.101","noFixRecorded":false,"fixedIn":null},{"text":"< 5.4.0-1041.42","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1104.113 | < 4.15.0-1099.101 | < 5.4.0-1041.42","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-lts-xenial","name":"linux-lts-xenial","label":"linux-lts-xenial","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-lts-xenial","purlType":"deb","versions":[{"text":"< 4.4.0-223.256~14.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-223.256~14.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oem","name":"linux-oem","label":"linux-oem","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oem","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oem-5.10","name":"linux-oem-5.10","label":"linux-oem-5.10","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oem-5.10","purlType":"deb","versions":[{"text":"< 5.10.0-1032.33","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.10.0-1032.33","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oem-5.6","name":"linux-oem-5.6","label":"linux-oem-5.6","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oem-5.6","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle","name":"linux-oracle","label":"linux-oracle","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle","purlType":"deb","versions":[{"text":"< 4.15.0-1080.88~16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 4.15.0-1080.88","noFixRecorded":false,"fixedIn":null},{"text":"< 5.4.0-1048.52","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1080.88~16.04.1 | < 4.15.0-1080.88 | < 5.4.0-1048.52","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle-5.0","name":"linux-oracle-5.0","label":"linux-oracle-5.0","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle-5.0","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle-5.3","name":"linux-oracle-5.3","label":"linux-oracle-5.3","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle-5.3","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle-5.4","name":"linux-oracle-5.4","label":"linux-oracle-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1048.52~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1048.52~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-oracle-5.8","name":"linux-oracle-5.8","label":"linux-oracle-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-oracle-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi","name":"linux-raspi","label":"linux-raspi","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi","purlType":"deb","versions":[{"text":"< 5.4.0-1038.41","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1038.41","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi-5.4","name":"linux-raspi-5.4","label":"linux-raspi-5.4","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi-5.4","purlType":"deb","versions":[{"text":"< 5.4.0-1038.41~18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.4.0-1038.41~18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi-realtime","name":"linux-raspi-realtime","label":"linux-raspi-realtime","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi-realtime","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi2","name":"linux-raspi2","label":"linux-raspi2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi2","purlType":"deb","versions":[{"text":"< 4.15.0-1095.101","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 4.15.0-1095.101 | All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-realtime","name":"linux-realtime","label":"linux-realtime","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-realtime","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-riscv","name":"linux-riscv","label":"linux-riscv","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-riscv","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-riscv-5.8","name":"linux-riscv-5.8","label":"linux-riscv-5.8","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-riscv-5.8","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-snapdragon","name":"linux-snapdragon","label":"linux-snapdragon","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-snapdragon","purlType":"deb","versions":[{"text":"< 4.15.0-1112.121","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.15.0-1112.121","eol":null,"hubHref":null},{"vendor":"linux","product":"linux_kernel","name":"linux kernel","label":"linux_kernel","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 5.12.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.12.4","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"linux","label":"Linux Kernel","category":"os"}},"hubHref":"/vendor/linux/linux_kernel"},{"vendor":"oracle","product":"communications_cloud_native_core_binding_support_function","name":"communications cloud native core binding support function","label":"communications_cloud_native_core_binding_support_function","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"22.1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"22.1.3","eol":null,"hubHref":"/vendor/oracle/communications_cloud_native_core_binding_support_function"},{"vendor":"oracle","product":"communications_cloud_native_core_network_exposure_function","name":"communications cloud native core network exposure function","label":"communications_cloud_native_core_network_exposure_function","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"22.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"22.1.1","eol":null,"hubHref":"/vendor/oracle/communications_cloud_native_core_network_exposure_function"},{"vendor":"oracle","product":"communications_cloud_native_core_policy","name":"communications cloud native core policy","label":"communications_cloud_native_core_policy","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"22.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"22.2.0","eol":null,"hubHref":"/vendor/oracle/communications_cloud_native_core_policy"}],"affectedCount":59,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4","label":"cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4","hostname":"cdn.kernel.org","tags":["X Refsource MISC","REPORT","Release Notes","Vendor Advisory"]},{"url":"https://arxiv.org/pdf/2112.09604.pdf","label":"arxiv.org/pdf/2112.09604.pdf","hostname":"arxiv.org","tags":["X Refsource MISC","REPORT","Technical Description","Third Party Advisory"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba","label":"git.kernel.org/pub/…","hostname":"git.kernel.org","tags":["X Refsource MISC","REPORT","Patch","Vendor Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","label":"www.oracle.com/security-alerts/cpujul2022.html","hostname":"www.oracle.com","tags":["X Refsource MISC","Patch","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-45486","label":"ubuntu.com/security/CVE-2021-45486","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://git.kernel.org/linus/aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba","label":"git.kernel.org/linus/aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba","hostname":"git.kernel.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5361-1","label":"ubuntu.com/security/notices/USN-5361-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45486","label":"www.cve.org/CVERecord?id=CVE-2021-45486","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-45486","label":"security-tracker.debian.org/tracker/CVE-2021-45486","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45486","label":"nvd.nist.gov/vuln/detail/CVE-2021-45486","hostname":"nvd.nist.gov","tags":["Oval","Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2022:0056-1","OPENSUSE-SU-2022:0131-1","OPENSUSE-SU-2022:0169-1","OPENSUSE-SU-2022:0198-1","OPENSUSE-SU-2022:0366-1","RHSA-2022:1975","RHSA-2022:1988","RHSA-2022:6983","RHSA-2022:6991","SUSE-SU-2022:0056-1","SUSE-SU-2022:0068-1","SUSE-SU-2022:0079-1","SUSE-SU-2022:0080-1","SUSE-SU-2022:0090-1","SUSE-SU-2022:0131-1","SUSE-SU-2022:0169-1","SUSE-SU-2022:0197-1","SUSE-SU-2022:0198-1","SUSE-SU-2022:0289-1","SUSE-SU-2022:0362-1","SUSE-SU-2022:0366-1","SUSE-SU-2022:0367-1","SUSE-SU-2022:0371-1","SUSE-SU-2022:0477-1","USN-5361-1"],"duplicates":[],"related":["OPENSUSE-SU-2022:0056-1","OPENSUSE-SU-2022:0131-1","OPENSUSE-SU-2022:0169-1","OPENSUSE-SU-2022:0198-1","OPENSUSE-SU-2022:0366-1","SUSE-SU-2022:0056-1","SUSE-SU-2022:0068-1","SUSE-SU-2022:0079-1","SUSE-SU-2022:0080-1","SUSE-SU-2022:0090-1","SUSE-SU-2022:0131-1","SUSE-SU-2022:0169-1","SUSE-SU-2022:0197-1","SUSE-SU-2022:0198-1","SUSE-SU-2022:0289-1","SUSE-SU-2022:0362-1","SUSE-SU-2022:0366-1","SUSE-SU-2022:0367-1","SUSE-SU-2022:0371-1","SUSE-SU-2022:0477-1","USN-5361-1"]},"timeline":[{"kind":"published","date":"2021-12-25T01:04:27.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T04:39:21.222Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":14,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T16:35:07.604Z","stale":false,"partial":false}}