{"api_version":"1","generated_at":"2026-09-12T01:01:04+00:00","cve":"CVE-2026-7476","urls":{"html":"https://cve.report/CVE-2026-7476","api":"https://cve.report/api/cve/CVE-2026-7476.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-7476","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-7476"},"summary":{"title":"Mali GPU Kernel Driver allows access to already freed memory","description":"Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0.","state":"PUBLISHED","assigner":"Arm","published_at":"2026-09-08 15:18:48","updated_at":"2026-09-10 19:17:35"},"problem_types":["CWE-416","CWE-416 CWE-416 Use After Free"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"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"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://support.arm.com/documentation/111552/1-0/?lang=en","name":"https://support.arm.com/documentation/111552/1-0/?lang=en","refsource":"arm-security@arm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-7476","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7476","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","version":"affected r49p3 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","version":"affected r51p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","version":"affected r54p1 r54p2 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","version":"affected r49p3 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","version":"affected r51p0 r54p3 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","version":"affected r55p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","version":"unaffected r56p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel Driver","version":"affected r49p3 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel Driver","version":"affected r51p0 r54p3 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel Driver","version":"affected r55p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel Driver","version":"unaffected r56p0 patch","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"This issue has been fixed in the following versions: Valhall GPU Kernel Driver: r56p0; Arm 5th Gen GPU Architecture Kernel Driver: r56p0. Arm partners are recommended to upgrade to the latest applicable version as soon as possible.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"7476","cve":"CVE-2026-7476","epss":"0.001100000","percentile":"0.014240000","score_date":"2026-09-11","updated_at":"2026-09-12 00:05:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"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"}},{"other":{"content":{"id":"CVE-2026-7476","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-09-10T18:13:57.125298Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-10T18:14:26.053Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Bifrost GPU Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r49p5","status":"affected","version":"r49p3","versionType":"patch"},{"status":"affected","version":"r51p0","versionType":"patch"},{"lessThanOrEqual":"r54p2","status":"affected","version":"r54p1","versionType":"patch"}]},{"defaultStatus":"unaffected","product":"Valhall GPU Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r49p5","status":"affected","version":"r49p3","versionType":"patch"},{"lessThanOrEqual":"r54p3","status":"affected","version":"r51p0","versionType":"patch"},{"status":"affected","version":"r55p0","versionType":"patch"},{"status":"unaffected","version":"r56p0","versionType":"patch"}]},{"defaultStatus":"unaffected","product":"Arm 5th Gen GPU Architecture Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r49p5","status":"affected","version":"r49p3","versionType":"patch"},{"lessThanOrEqual":"r54p3","status":"affected","version":"r51p0","versionType":"patch"},{"status":"affected","version":"r55p0","versionType":"patch"},{"status":"unaffected","version":"r56p0","versionType":"patch"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to access already freed memory.</p><p>This issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0.</p>"}],"value":"Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-08T14:20:04.674Z","orgId":"56a131ea-b967-4a0d-a41e-5f3549952846","shortName":"Arm"},"references":[{"url":"https://support.arm.com/documentation/111552/1-0/?lang=en"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>This issue has been fixed in the following versions: Valhall GPU Kernel Driver: r56p0; Arm 5th Gen GPU Architecture Kernel Driver: r56p0. Arm partners are recommended to upgrade to the latest applicable version as soon as possible.</p>"}],"value":"This issue has been fixed in the following versions: Valhall GPU Kernel Driver: r56p0; Arm 5th Gen GPU Architecture Kernel Driver: r56p0. 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