{"api_version":"1","generated_at":"2026-07-11T03:52:25+00:00","cve":"CVE-2026-7639","urls":{"html":"https://cve.report/CVE-2026-7639","api":"https://cve.report/api/cve/CVE-2026-7639.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-7639","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-7639"},"summary":{"title":"GPU DDK - Page UAF read in PMMETA_PROTECT heap memory","description":"Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code.\n\n\n\nTriggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.","state":"PUBLISHED","assigner":"imaginationtech","published_at":"2026-07-10 21:17:00","updated_at":"2026-07-10 21:17:00"},"problem_types":["CWE-459","CWE-459 CWE-459: Incomplete Cleanup"],"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-2026-7639","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7639","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>Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code.</p><p>Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.</p>"}],"value":"Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code.\n\n\n\nTriggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory."}],"impacts":[{"capecId":"CAPEC-554","descriptions":[{"lang":"en","value":"CAPEC-554: Functionality Bypass"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-459","description":"CWE-459: Incomplete Cleanup","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-10T20:50:27.730Z","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech"},"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"title":"GPU DDK - Page UAF read in PMMETA_PROTECT heap memory","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","assignerShortName":"imaginationtech","cveId":"CVE-2026-7639","datePublished":"2026-07-10T20:50:27.730Z","dateReserved":"2026-05-01T16:03:30.275Z","dateUpdated":"2026-07-10T20:50:27.730Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-10 21:17:00","lastModifiedDate":"2026-07-10 21:17:00","problem_types":["CWE-459","CWE-459 CWE-459: Incomplete Cleanup"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"7639","Ordinal":"1","Title":"GPU DDK - Page UAF read in PMMETA_PROTECT heap memory","CVE":"CVE-2026-7639","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"7639","Ordinal":"1","NoteData":"Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code.\n\n\n\nTriggering failure path in the MMU mapping logic by a malicious code could lead to incomplete cleanup of an internal driver state, allowing for future unauthorized access to the contents of the physical memory.","Type":"Description","Title":"GPU DDK - Page UAF read in PMMETA_PROTECT heap memory"}]}}}