{"api_version":"1","generated_at":"2026-07-13T09:37:31+00:00","cve":"CVE-2026-45203","urls":{"html":"https://cve.report/CVE-2026-45203","api":"https://cve.report/api/cve/CVE-2026-45203.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45203","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45203"},"summary":{"title":"GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU","description":"Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-07-10 21:16:54","updated_at":"2026-07-10 21:16:54"},"problem_types":["CWE-367","CWE-367 CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.20)"],"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-2026-45203","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45203","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":{"cve_year":"2026","cve_id":"45203","cve":"CVE-2026-45203","epss":"0.001160000","percentile":"0.018910000","score_date":"2026-07-12","updated_at":"2026-07-13 00:07:36"},"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 Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n<br>\n<br>A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.</p>"}],"value":"Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use."}],"impacts":[{"capecId":"CAPEC-480","descriptions":[{"lang":"en","value":"CAPEC - CAPEC-480: Escaping Virtualization (Version 3.9)"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.20)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-10T20:57:19.733Z","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech"},"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"title":"GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","assignerShortName":"imaginationtech","cveId":"CVE-2026-45203","datePublished":"2026-07-10T20:57:19.733Z","dateReserved":"2026-05-11T10:58:04.163Z","dateUpdated":"2026-07-10T20:57:19.733Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-10 21:16:54","lastModifiedDate":"2026-07-10 21:16:54","problem_types":["CWE-367","CWE-367 CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.20)"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45203","Ordinal":"1","Title":"GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize a","CVE":"CVE-2026-45203","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45203","Ordinal":"1","NoteData":"Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel.\n\n\n\nA TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.","Type":"Description","Title":"GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize a"}]}}}