{"api_version":"1","generated_at":"2026-09-12T01:57:26+00:00","cve":"CVE-2026-9034","urls":{"html":"https://cve.report/CVE-2026-9034","api":"https://cve.report/api/cve/CVE-2026-9034.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-9034","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-9034"},"summary":{"title":"Mali GPU Userspace Driver allows access to already freed memory","description":"Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p3; Valhall GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0.","state":"PUBLISHED","assigner":"Arm","published_at":"2026-09-08 15:18:56","updated_at":"2026-09-10 19:17:42"},"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-2026-9034","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9034","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Userspace Driver","version":"affected r42p0 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Userspace Driver","version":"affected r50p0 r51p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Bifrost GPU Userspace Driver","version":"affected r54p1 r54p3 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Userspace Driver","version":"affected r42p0 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Userspace Driver","version":"affected r50p0 r54p3 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Userspace Driver","version":"affected r55p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Valhall GPU Userspace Driver","version":"unaffected r56p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Userspace Driver","version":"affected r42p0 r49p5 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Userspace Driver","version":"affected r50p0 r54p3 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Userspace Driver","version":"affected r55p0 patch","platforms":[]},{"source":"CNA","vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Userspace Driver","version":"unaffected r56p0 patch","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"This issue has been fixed in the following versions: Valhall GPU Userspace Driver: r56p0; Arm 5th Gen GPU Architecture Userspace Driver: r56p0. 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