{"schemaVersion":3,"id":"CVE-2021-34381","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernel function where a lack of checks allows the exploitation of an integer overflow on the size parameter of the tz_map_shared_mem function, which might lead to denial of service, information disclosure, or data tampering.","dates":{"published":"2021-06-30T10:24:34.000Z","modified":"2024-08-04T00:12:50.078Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.7,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.6,"severity":"medium","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00208,"percentile":0.10273,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00208},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00208,"percentile":0.10273}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00208,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00208,"percentile":0.10273}]},"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-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"nvidia","product":"jetson_linux","name":"jetson linux","label":"jetson_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 32.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 32.5.1","eol":null,"hubHref":"/vendor/nvidia/jetson_linux"},{"vendor":"nvidia","product":"nvidia jetson tx1","name":"NVIDIA Jetson TX1","label":"nvidia jetson tx1","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"All Jetson Linux versions prior to r32.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"All Jetson Linux versions prior to r32.5.1","eol":null,"hubHref":"/vendor/nvidia/nvidia_jetson_tx1"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5205","label":"nvidia.custhelp.com/app/answers/detail/a_id/5205","hostname":"nvidia.custhelp.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-30T10:24:34.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T00:12:50.078Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T19:13:09.148Z","stale":false,"partial":false}}