{"id":"CVE-2026-34194","aliases":["A-489979337","ASB-A-489979337","EUVD-2026-35083","GHSA-4fp7-72xg-c4hc"],"status":"published","title":"GPU DDK - UAF read and/or write to arbitrary physical pages in DevmemIntChangeSparse due to incorrect calculation of the virtual index count","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of a mapping state maintained for a sparse memory allocation.\n\n\n\nThe product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00116,"percentile":0.01632,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-468"],"published":"2026-06-08T14:58:40Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-09-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-09-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"imagination technologies","product":"graphics ddk"}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34194"},{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-4fp7-72xg-c4hc"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-34194","title":"GPU DDK - UAF read and/or write to arbitrary physical pages in DevmemIntChangeSparse due to incorrect calculation of the virtual index count","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of a mapping state maintained for a sparse memory allocation.\n\n\n\nThe product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.","status":"published","published":"2026-06-08T14:58:40.452Z","modified":"2026-06-08T18:55:08.798Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-468"],"updated_at":"2026-11-02T14:20:14.302133Z"}],"euvd":[{"id":"EUVD-2026-35083","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of a mapping state maintained for a sparse memory allocation.\n\n\n\nThe product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.","status":"published","published":"2026-06-08T14:58:40Z","modified":"2026-06-08T18:55:08Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:48.375828Z"}],"ghsa":[{"id":"GHSA-4fp7-72xg-c4hc","title":"Software installed and run as a non-privileged user may conduct improper GPU system calls to...","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of a mapping state maintained for a sparse memory allocation.\n\n\n\nThe product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.","status":"published","published":"2026-06-08T18:31:49Z","modified":"2026-06-08T21:32:53Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-468"],"updated_at":"2026-11-02T15:08:39.337223Z"}],"nvd":[{"id":"CVE-2026-34194","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of a mapping state maintained for a sparse memory allocation.\n\n\n\nThe product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.","status":"published","published":"2026-06-08T16:16:38.25Z","modified":"2026-07-23T07:10:00.113Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-468"],"updated_at":"2026-11-02T14:12:22.73178Z"}],"osv":[{"id":"ASB-A-489979337","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-10T17:35:07.135383Z"}]}}