{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45203", "assignerOrgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "state": "PUBLISHED", "assignerShortName": "imaginationtech", "dateReserved": "2026-05-11T10:58:04.163Z", "datePublished": "2026-07-10T20:57:19.733Z", "dateUpdated": "2026-07-13T18:55:12.679Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "shortName": "imaginationtech", "dateUpdated": "2026-07-10T20:57:19.733Z"}, "title": "GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-367", "description": "CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.20)", "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 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.", "supportingMedia": [{"type": "text/html", "base64": false, "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>"}]}], "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-13T18:33:59.825342Z", "id": "CVE-2026-45203", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-13T18:55:12.679Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-45203", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-13T18:33:59.825342Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-13T18:34:11.080Z"}}], "cna": {"title": "GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-480", "descriptions": [{"lang": "en", "value": "CAPEC - CAPEC-480: Escaping Virtualization (Version 3.9)"}]}], "affected": [{"vendor": "Imagination Technologies", "product": "Graphics DDK", "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", "versionType": "custom", "lessThanOrEqual": "25.3 RTM"}, {"status": "affected", "version": "26.1 RTM1", "versionType": "custom"}, {"status": "unaffected", "version": "26.1 RTM2", "versionType": "custom"}], "platforms": ["Linux", "Android"], "defaultStatus": "unknown"}], "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-367", "description": "CWE - CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (4.20)"}]}], "providerMetadata": {"orgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "shortName": "imaginationtech", "dateUpdated": "2026-07-10T20:57:19.733Z"}}}, "cveMetadata": {"cveId": "CVE-2026-45203", "state": "PUBLISHED", "dateUpdated": "2026-07-13T18:55:12.679Z", "dateReserved": "2026-05-11T10:58:04.163Z", "assignerOrgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "datePublished": "2026-07-10T20:57:19.733Z", "assignerShortName": "imaginationtech"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:*", "matchCriteriaId": "97C60721-9E04-406B-8036-D7799D679CD8", "versionEndExcluding": "26.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:imaginationtech:ddk:26.1:rtm1:*:*:*:*:*:*", "matchCriteriaId": "B6047F4B-B29A-44F7-8F80-8A53C1917F38", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26", "vulnerable": false}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-45203", "lastModified": "2026-08-12T17:34:26.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45203", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-13T18:33:59.825342Z", "version": "2.0.3"}}]}, "published": "2026-07-10T21:16:54.760", "references": [{"source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "tags": ["Vendor Advisory"], "url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}], "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["linux", "android"], "status": "affected", "versions": {"scheme": "generic", "value": "1.18 RTM2"}}, {"platform": ["linux", "android"], "status": "affected", "versions": {"scheme": "generic", "value": "23.2 RTM2"}}, {"platform": ["linux", "android"], "status": "affected", "versions": {"scheme": "generic", "value": "24.2 RTM2"}}, {"platform": ["linux", "android"], "status": "affected", "versions": {"scheme": "generic", "value": "[25.1 RTM2,25.3 RTM]"}}, {"platform": ["linux", "android"], "status": "affected", "versions": {"scheme": "generic", "value": "26.1 RTM1"}}, {"platform": ["linux", "android"], "status": "unaffected", "versions": {"scheme": "generic", "value": "26.1 RTM2"}}], "enrichment": {"confidence": 86.0, "confidence_source": "matching", "scores": [{"score": 86.0, "source": "matching"}]}, "original": {"product": "Graphics DDK", "source": "cna", "vendor": "Imagination Technologies"}, "product": "graphics_ddk", "vendor": "imaginationtech"}], "created": "2026-07-11T10:30:05.144628+00:00", "updated": "2026-07-31T13:00:10.683845+00:00", "vendors": ["imaginationtech", "imaginationtech$PRODUCT$graphics_ddk"]}