{"id":"CVE-2026-41156","aliases":["A-491024375","ASB-A-491024375","EUVD-2026-38002","GHSA-fpwh-r7hr-w6hc"],"status":"published","title":"GPU DDK - kernel\u003c-\u003efw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources creating a write use after free scenario.\n\n\n\nA shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00162,"percentile":0.05404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-06-19T09:28:53Z","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-2026-41156"},{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-fpwh-r7hr-w6hc"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-41156","title":"GPU DDK - kernel\u003c-\u003efw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources creating a write use after free scenario.\n\n\n\nA shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.","status":"published","published":"2026-06-19T09:28:53.868Z","modified":"2026-06-22T18:23:23.917Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-38002","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources creating a write use after free scenario.\n\n\n\nA shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.","status":"published","published":"2026-06-19T09:28:53Z","modified":"2026-06-22T18:23:23Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:33.850201Z"}],"ghsa":[{"id":"GHSA-fpwh-r7hr-w6hc","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 resources creating a write use after free scenario.\n\n\n\nA shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.","status":"published","published":"2026-06-19T12:30:27Z","modified":"2026-06-22T21:31:55Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:08:56.903887Z"}],"nvd":[{"id":"CVE-2026-41156","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause mismanagement of resources creating a write use after free scenario.\n\n\n\nA shared resource (memory page) managed by a CPU thread of control (driver) and accessed by a GPU thread of control (Firmware) can cause a write UAF when the CPU thread frees the resource before the GPU FW has finished accessing it.","status":"published","published":"2026-06-19T10:16:11.317Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:24.912854Z"}],"osv":[{"id":"ASB-A-491024375","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.135383Z"}]}}