{"schemaVersion":3,"id":"USN-4983-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux-oem-5.10 vulnerabilities\n\nPiotr Krysiuk discovered that the eBPF implementation in the Linux kernel\ndid not properly enforce limits for pointer operations. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-33200)\n\nPiotr Krysiuk and Benedict Schlueter discovered that the eBPF\nimplementation in the Linux kernel performed out of bounds speculation on\npointer arithmetic. A local attacker could use this to expose sensitive\ninformation. (CVE-2021-29155)\n\nPiotr Krysiuk discovered that the eBPF implementation in the Linux kernel\ndid not properly prevent speculative loads in certain situations. A local\nattacker could use this to expose sensitive information (kernel memory).\n(CVE-2021-31829)\n\nReiji Watanabe discovered that the KVM VMX implementation in the Linux\nkernel did not properly prevent user space from tampering with an array\nindex value, leading to a potential out-of-bounds write. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-3501)","dates":{"published":"2021-06-03T20:43:59.000Z","modified":"2026-06-03T14:04:12.838Z","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":"< 5.10.0-1029.30","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.10.0-1029.30","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4983-1","label":"ubuntu.com/security/notices/USN-4983-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-3501","label":"ubuntu.com/security/CVE-2021-3501","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-29155","label":"ubuntu.com/security/CVE-2021-29155","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-31829","label":"ubuntu.com/security/CVE-2021-31829","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-33200","label":"ubuntu.com/security/CVE-2021-33200","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-29155","CVE-2021-31829","CVE-2021-33200","CVE-2021-3501"],"downstream":[],"duplicates":[],"related":["CVE-2021-29155","CVE-2021-31829","CVE-2021-33200","CVE-2021-3501"]},"timeline":[{"kind":"published","date":"2021-06-03T20:43:59.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-03T14:04:12.838Z","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":"2026-10-20T13:16:57.165Z","stale":false,"partial":false}}