{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45197","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","state":"PUBLISHED","assignerShortName":"imaginationtech","dateReserved":"2026-05-11T10:58:04.162Z","datePublished":"2026-09-04T01:53:55.981Z","dateUpdated":"2026-09-08T14:29:16.404Z"},"containers":{"cna":{"providerMetadata":{"orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech","dateUpdated":"2026-09-04T01:53:55.981Z"},"title":"GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-480","descriptions":[{"lang":"en","value":"CAPEC - CAPEC-480: Escaping Virtualization (Version 3.9)"}]}],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","platforms":["Linux","Android"],"versions":[{"status":"affected","version":"1.18 RTM2","versionType":"custom"},{"status":"affected","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 RTM1","versionType":"custom"},{"status":"unaffected","version":"26.1 RTM2","versionType":"custom"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.</p><p>The firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.</p>"}]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":2.5,"attackVector":"LOCAL","baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T14:29:12.602426Z","id":"CVE-2026-45197","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-08T14:29:16.404Z"}}]}}