{"id":"CVE-2021-34382","aliases":["EUVD-2021-21040","GHSA-px4c-gw6m-mq7v"],"status":"published","title":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernelâ€™s tz_map_shared_mem function where...","description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00204,"percentile":0.10513,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2021-06-30T10:24:35Z","modified":"2026-06-17T03:55:45Z","products":[{"vendor":"nvidia","product":"jetson_linux"},{"vendor":"nvidia","product":"nvidia jetson tx1"}],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5205","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34382"},{"url":"https://github.com/advisories/GHSA-px4c-gw6m-mq7v"}],"sources":{"cve":[{"id":"CVE-2021-34382","description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.","status":"published","published":"2021-06-30T10:24:35Z","modified":"2024-08-04T00:12:50.365Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21040","description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.","status":"published","published":"2021-06-30T10:24:35Z","modified":"2024-08-04T00:12:50Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T03:24:32.445199Z"}],"ghsa":[{"id":"GHSA-px4c-gw6m-mq7v","title":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernelâ€™s tz_map_shared_mem function where...","description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernelâ€™s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.","status":"published","published":"2022-05-24T22:28:52Z","modified":"2023-01-30T05:05:54Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:47:22.953418Z"}],"nvd":[{"id":"CVE-2021-34382","description":"Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.","status":"published","published":"2021-06-30T11:15:08.74Z","modified":"2026-06-17T03:55:45.303Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}
