{"id":"CVE-2026-34194","state":"PUBLISHED","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.","publishedAt":"2026-06-08T14:58:40.452Z","updatedAt":"2026-06-08T18:55:08.798Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","source":"CISA-ADP"},"assigner":"imaginationtech","products":["Imagination Technologies Graphics DDK"],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","defaultStatus":"unknown","versions":[{"version":"1.18 RTM","status":"unaffected","versionType":"custom"},{"version":"23.2 RTM","status":"unaffected","versionType":"custom"},{"version":"24.2 RTM","status":"affected","versionType":"custom"},{"version":"25.1 RTM","status":"affected","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"version":"26.1 RTM","status":"affected","versionType":"custom"}],"platforms":["Linux","Android"]}],"references":["https://www.imaginationtech.com/gpu-driver-vulnerabilities/"],"weaknesses":["CWE-468"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34194.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34194","state":"PUBLISHED","datePublished":"2026-06-08T14:58:40.452Z","dateUpdated":"2026-06-08T18:55:08.798Z","assignerShortName":"imaginationtech","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","dateReserved":"2026-03-26T13:47:30.669Z"},"containers":{"cna":{"title":"GPU DDK - UAF read and/or write to arbitrary physical pages in DevmemIntChangeSparse due to incorrect calculation of the virtual index count","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","defaultStatus":"unknown","versions":[{"version":"1.18 RTM","status":"unaffected","versionType":"custom"},{"version":"23.2 RTM","status":"unaffected","versionType":"custom"},{"version":"24.2 RTM","status":"affected","versionType":"custom"},{"version":"25.1 RTM","status":"affected","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"version":"26.1 RTM","status":"affected","versionType":"custom"}],"platforms":["Linux","Android"]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-468","lang":"en","description":"CWE-468: Incorrect Pointer Scaling","type":"CWE"}]}],"providerMetadata":{"shortName":"imaginationtech","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","dateUpdated":"2026-06-08T14:58:40.452Z"},"impacts":[{"capecId":"CAPEC-123","descriptions":[{"lang":"en","value":"CAPEC - CAPEC-123: Buffer Manipulation (Version 3.9)"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.1,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-08T18:54:26.516443Z","id":"CVE-2026-34194","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-08T18:55:08.798Z"}}]}}}