{"id":"CVE-2026-15466","aliases":["A-531596246","ASB-A-531596246","EUVD-2026-113474","GHSA-57qq-gwf5-m8rv"],"status":"published","title":"GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF.\n\n\n\nThe race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00126,"percentile":0.02328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-10-30T01:23:24Z","modified":"2026-11-05T21:38:51Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"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-2026-15466"},{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-57qq-gwf5-m8rv"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-15466","title":"GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF.\n\n\n\nThe race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.","status":"published","published":"2026-10-30T01:23:24.46Z","modified":"2026-11-05T21:38:51.027Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-05T22:55:19.586268Z"}],"euvd":[{"id":"EUVD-2026-113474","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF.\n\n\n\nThe race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.","status":"published","published":"2026-10-30T01:23:24Z","modified":"2026-11-05T21:38:51Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-05T23:02:20.394374Z"}],"ghsa":[{"id":"GHSA-57qq-gwf5-m8rv","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 race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF.\n\n\n\nThe race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.","status":"published","published":"2026-10-30T03:32:02Z","modified":"2026-11-06T00:32:39Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-06T00:57:25.690752Z"}],"nvd":[{"id":"CVE-2026-15466","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF.\n\n\n\nThe race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.","status":"published","published":"2026-10-30T02:17:08.98Z","modified":"2026-11-05T22:17:55.943Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-05T23:57:22.627849Z"}],"osv":[{"id":"ASB-A-531596246","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}