{"schemaVersion":3,"id":"USN-5207-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-oem-5.10 vulnerabilities\n\nNadav Amit discovered that the hugetlb implementation in the Linux kernel\ndid not perform TLB flushes under certain conditions. A local attacker\ncould use this to leak or alter data from other processes that use huge\npages. (CVE-2021-4002)\n\nIt was discovered that the eBPF implementation in the Linux kernel\ncontained a race condition around read-only maps. A privileged attacker\ncould use this to modify read-only maps. (CVE-2021-4001)\n\nLuo Likang discovered that the FireDTV Firewire driver in the Linux kernel\ndid not properly perform bounds checking in some situations. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2021-42739)\n\nIt was discovered that the TIPC Protocol implementation in the Linux kernel\ndid not properly validate MSG_CRYPTO messages in some situations. An\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2021-43267)","dates":{"published":"2022-01-05T17:03:26.000Z","modified":"2026-06-03T14:03:53.068Z","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":"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":"< 5.10.0-1053.55","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.10.0-1053.55","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5207-1","label":"ubuntu.com/security/notices/USN-5207-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-4001","label":"ubuntu.com/security/CVE-2021-4001","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-4002","label":"ubuntu.com/security/CVE-2021-4002","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42739","label":"ubuntu.com/security/CVE-2021-42739","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-43267","label":"ubuntu.com/security/CVE-2021-43267","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-4001","CVE-2021-4002","CVE-2021-42739","CVE-2021-43267"],"downstream":[],"duplicates":[],"related":["CVE-2021-4001","CVE-2021-4002","CVE-2021-42739","CVE-2021-43267"]},"timeline":[{"kind":"published","date":"2022-01-05T17:03:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-03T14:03:53.068Z","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":"2026-10-20T13:08:13.067Z","stale":false,"partial":false}}