{"api_version":"1","generated_at":"2026-06-21T01:47:20+00:00","cve":"CVE-2026-41156","urls":{"html":"https://cve.report/CVE-2026-41156","api":"https://cve.report/api/cve/CVE-2026-41156.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-41156","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41156"},"summary":{"title":"GPU DDK - kernel<->fw 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.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-06-19 10:16:11","updated_at":"2026-06-19 10:16:11"},"problem_types":["CWE-416","CWE-416 CWE-416: Use After Free (4.15)"],"metrics":[],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","name":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","refsource":"367425dc-4d06-4041-9650-c2dc6aaa27ce","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-41156","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41156","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 1.18 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 23.2 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 24.2 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 25.1 RTM 25.3 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 26.1 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"unaffected 26.2 RTM custom","platforms":["Linux","Android"]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unknown","platforms":["Linux","Android"],"product":"Graphics DDK","vendor":"Imagination Technologies","versions":[{"status":"affected","version":"1.18 RTM","versionType":"custom"},{"status":"affected","version":"23.2 RTM","versionType":"custom"},{"status":"affected","version":"24.2 RTM","versionType":"custom"},{"lessThanOrEqual":"25.3 RTM","status":"affected","version":"25.1 RTM","versionType":"custom"},{"status":"affected","version":"26.1 RTM","versionType":"custom"},{"status":"unaffected","version":"26.2 RTM","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"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<br>\n<br>A 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."}],"value":"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."}],"impacts":[{"capecId":"CAPEC-124","descriptions":[{"lang":"en","value":"CAPEC-124: Shared Resource Manipulation (Version 3.9)"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416: Use After Free (4.15)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-19T09:28:53.868Z","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech"},"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"title":"GPU DDK - kernel<->fw CCB contains SYNC_PRIMITIVE_BLOCK firmware address without holding reference","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","assignerShortName":"imaginationtech","cveId":"CVE-2026-41156","datePublished":"2026-06-19T09:28:53.868Z","dateReserved":"2026-04-17T16:26:03.731Z","dateUpdated":"2026-06-19T09:28:53.868Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-19 10:16:11","lastModifiedDate":"2026-06-19 10:16:11","problem_types":["CWE-416","CWE-416 CWE-416: Use After Free (4.15)"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"41156","Ordinal":"1","Title":"GPU DDK - kernel<->fw CCB contains SYNC_PRIMITIVE_BLOCK firmware","CVE":"CVE-2026-41156","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"41156","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"GPU DDK - kernel<->fw CCB contains SYNC_PRIMITIVE_BLOCK firmware"}]}}}