{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15466","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","state":"PUBLISHED","assignerShortName":"imaginationtech","dateReserved":"2026-07-10T21:04:03.553Z","datePublished":"2026-10-30T01:23:24.460Z","dateUpdated":"2026-10-30T01:53:35.071Z"},"containers":{"cna":{"providerMetadata":{"orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech","dateUpdated":"2026-10-30T01:53:35.071Z"},"title":"GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-416","description":"CWE-416: Use After Free","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-26","descriptions":[{"lang":"en","value":"CAPEC-26: Leveraging Race Conditions"}]}],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","platforms":["Linux","Android"],"versions":[{"status":"unaffected","version":"1.18 RTM2","versionType":"custom"},{"status":"unaffected","version":"23.2 RTM2","versionType":"custom"},{"status":"affected","version":"24.2 RTM2","versionType":"custom"},{"status":"affected","version":"25.1 RTM2","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"status":"affected","version":"26.1 RTM2","versionType":"custom"},{"status":"unaffected","version":"26.2 RTM","versionType":"custom"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p><p>The 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.</p>"}]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}}}}