{"schemaVersion":3,"id":"USN-5928-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"systemd vulnerabilities\n\nIt was discovered that systemd did not properly validate the time and\naccuracy values provided to the format_timespan() function. An attacker\ncould possibly use this issue to cause a buffer overrun, leading to a\ndenial of service attack. This issue only affected Ubuntu 14.04 ESM, Ubuntu\n16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.\n(CVE-2022-3821)\n\nIt was discovered that systemd did not properly manage the fs.suid_dumpable\nkernel configurations. A local attacker could possibly use this issue to\nexpose sensitive information. This issue only affected Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-4415)\n\nIt was discovered that systemd did not properly manage a crash with long\nbacktrace data. A local attacker could possibly use this issue to cause a\ndeadlock, leading to a denial of service attack. This issue only affected\nUbuntu 22.10. (CVE-2022-45873)","dates":{"published":"2023-03-07T07:35:51.000Z","modified":"2026-06-29T13:50:49.805Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":[],"affected":[{"vendor":"ubuntu","product":"systemd","name":"systemd","label":"systemd","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/systemd","purlType":"deb","versions":[{"text":"< 204-5ubuntu20.31+esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 229-4ubuntu21.31+esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 237-3ubuntu10.57","noFixRecorded":false,"fixedIn":null},{"text":"< 245.4-4ubuntu3.20","noFixRecorded":false,"fixedIn":null},{"text":"< 249.11-0ubuntu3.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 204-5ubuntu20.31+esm2 | < 229-4ubuntu21.31+esm3 | < 237-3ubuntu10.57 | < 245.4-4ubuntu3.20 | < 249.11-0ubuntu3.7","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5928-1","label":"ubuntu.com/security/notices/USN-5928-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-3821","label":"ubuntu.com/security/CVE-2022-3821","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-4415","label":"ubuntu.com/security/CVE-2022-4415","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-45873","label":"ubuntu.com/security/CVE-2022-45873","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-3821","CVE-2022-4415"],"downstream":[],"duplicates":[],"related":["CVE-2022-3821","CVE-2022-4415"]},"timeline":[{"kind":"published","date":"2023-03-07T07:35:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:50:49.805Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:55:26.294Z","stale":false,"partial":false}}