{"api_version":"1","generated_at":"2026-06-08T18:28:38+00:00","cve":"CVE-2026-34194","urls":{"html":"https://cve.report/CVE-2026-34194","api":"https://cve.report/api/cve/CVE-2026-34194.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-34194","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-34194"},"summary":{"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.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-06-08 16:16:38","updated_at":"2026-06-08 16:16:38"},"problem_types":["CWE-468","CWE-468 CWE-468: Incorrect Pointer Scaling"],"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-2026-34194","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34194","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"unaffected 1.18 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"unaffected 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"]}],"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":"unaffected","version":"1.18 RTM","versionType":"custom"},{"status":"unaffected","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"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>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.</p><p>The product accidentally refers to the wrong memory due to the semantics of how math operations are implicitly scaled across buffers of different sizes.</p>"}],"value":"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."}],"impacts":[{"capecId":"CAPEC-123","descriptions":[{"lang":"en","value":"CAPEC - 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UAF read and/or write to arbitrary physical pages in D","CVE":"CVE-2026-34194","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"34194","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"GPU DDK - UAF read and/or write to arbitrary physical pages in D"}]}}}