{"api_version":"1","generated_at":"2026-09-04T03:53:40+00:00","cve":"CVE-2026-45197","urls":{"html":"https://cve.report/CVE-2026-45197","api":"https://cve.report/api/cve/CVE-2026-45197.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45197","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45197"},"summary":{"title":"GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet","description":"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.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-09-04 02:17:19","updated_at":"2026-09-04 02:17:19"},"problem_types":["CWE-367","CWE-367 CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition"],"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-2026-45197","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45197","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 1.18 RTM2 custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 23.2 RTM2 custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 24.2 RTM2 custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 25.1 RTM2 25.3 RTM custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"affected 26.1 RTM1 custom","platforms":["Linux","Android"]},{"source":"CNA","vendor":"Imagination Technologies","product":"Graphics DDK","version":"unaffected 26.1 RTM2 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 RTM2","versionType":"custom"},{"status":"affected","version":"23.2 RTM2","versionType":"custom"},{"status":"affected","version":"24.2 RTM2","versionType":"custom"},{"lessThanOrEqual":"25.3 RTM","status":"affected","version":"25.1 RTM2","versionType":"custom"},{"status":"affected","version":"26.1 RTM1","versionType":"custom"},{"status":"unaffected","version":"26.1 RTM2","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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>"}],"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."}],"impacts":[{"capecId":"CAPEC-480","descriptions":[{"lang":"en","value":"CAPEC - CAPEC-480: Escaping Virtualization (Version 3.9)"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-04T01:53:55.981Z","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech"},"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"title":"GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet","x_generator":{"engine":"Vulnogram 1.0.4"}}},"cveMetadata":{"assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","assignerShortName":"imaginationtech","cveId":"CVE-2026-45197","datePublished":"2026-09-04T01:53:55.981Z","dateReserved":"2026-05-11T10:58:04.162Z","dateUpdated":"2026-09-04T01:53:55.981Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 02:17:19","lastModifiedDate":"2026-09-04 02:17:19","problem_types":["CWE-367","CWE-367 CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45197","Ordinal":"1","Title":"GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet","CVE":"CVE-2026-45197","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45197","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet"}]}}}