{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7477","assignerOrgId":"56a131ea-b967-4a0d-a41e-5f3549952846","state":"PUBLISHED","assignerShortName":"Arm","dateReserved":"2026-04-29T22:26:00.556Z","datePublished":"2026-09-08T14:20:38.565Z","dateUpdated":"2026-09-10T18:05:00.171Z"},"containers":{"cna":{"providerMetadata":{"orgId":"56a131ea-b967-4a0d-a41e-5f3549952846","shortName":"Arm","dateUpdated":"2026-09-08T14:20:38.565Z"},"title":"Mali GPU Kernel Driver allows access to already freed memory","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-416","description":"CWE-416 Use After Free","type":"CWE"}]}],"affected":[{"vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","versions":[{"status":"affected","version":"r44p0","lessThanOrEqual":"r49p4","versionType":"patch"},{"status":"affected","version":"r50p0","lessThanOrEqual":"r51p0","versionType":"patch"},{"status":"affected","version":"r54p1","lessThanOrEqual":"r54p2","versionType":"patch"}],"defaultStatus":"unaffected"},{"vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","versions":[{"status":"affected","version":"r44p0","lessThanOrEqual":"r49p5","versionType":"patch"},{"status":"affected","version":"r50p0","lessThanOrEqual":"r54p3","changes":[{"at":"r56p0","status":"unaffected"}],"versionType":"patch"}],"defaultStatus":"unaffected"},{"vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel Driver","versions":[{"status":"affected","version":"r44p0","lessThanOrEqual":"r49p5","versionType":"patch"},{"status":"affected","version":"r50p0","lessThanOrEqual":"r54p3","versionType":"patch"},{"status":"affected","version":"r55p0","versionType":"patch"},{"status":"unaffected","version":"r56p0","versionType":"patch"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","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 valid GPU memory processing operations to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p4, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3, r55p0.","supportingMedia":[{"type":"text/html","base64":false,"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 valid GPU memory processing operations to access already freed memory.</p><p>This issue affects Bifrost GPU Kernel Driver: from r44p0 through r49p4, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p5, from r50p0 through r54p3, r55p0.</p>"}]}],"references":[{"url":"https://support.arm.com/documentation/111552/1-0/?lang=en"}],"solutions":[{"lang":"en","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.","supportingMedia":[{"type":"text/html","base64":false,"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>"}]}],"credits":[{"lang":"en","value":"PhysicalLab (Kihyun Jeong, Yuchan Nam, Hyungjung Joo, Hojun Lee, Yunje Shin, Han Lee, seeh0)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"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":"2026-09-10T18:04:38.446600Z","id":"CVE-2026-7477","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":"2026-09-10T18:05:00.171Z"}}]}}