{"id":"CVE-2023-5427","state":"PUBLISHED","title":"Mali GPU Kernel Driver allows improper GPU processing operations","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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.","publishedAt":"2023-12-01T10:13:49.299Z","updatedAt":"2026-02-25T16:41:07.193Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Arm","products":["Arm Ltd Bifrost GPU Kernel Driver","Arm Ltd Valhall GPU Kernel Driver","Arm Ltd Arm 5th Gen GPU Architecture Kernel  Driver"],"affected":[{"vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]},{"vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]},{"vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel  Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]}],"references":["https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities","http://packetstormsecurity.com/files/176029/ARM-Mali-r44p0-Use-After-Free.html"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/5xxx/CVE-2023-5427.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-5427","state":"PUBLISHED","datePublished":"2023-12-01T10:13:49.299Z","dateUpdated":"2026-02-25T16:41:07.193Z","assignerShortName":"Arm","assignerOrgId":"56a131ea-b967-4a0d-a41e-5f3549952846","dateReserved":"2023-10-05T19:12:49.840Z"},"containers":{"cna":{"title":"Mali GPU Kernel Driver allows improper GPU processing operations","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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0."}],"affected":[{"vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]},{"vendor":"Arm Ltd","product":"Valhall GPU Kernel Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]},{"vendor":"Arm Ltd","product":"Arm 5th Gen GPU Architecture Kernel  Driver","defaultStatus":"unaffected","versions":[{"version":"r44p0","status":"affected","lessThanOrEqual":"r45p0","changes":[{"at":"r46p0","status":"unaffected"}],"versionType":"patch"}]}],"references":[{"url":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities"},{"url":"http://packetstormsecurity.com/files/176029/ARM-Mali-r44p0-Use-After-Free.html"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Arm","orgId":"56a131ea-b967-4a0d-a41e-5f3549952846","dateUpdated":"2023-12-04T16:06:21.744Z"},"datePublic":"2023-12-01T09:55:00.000Z","solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue is fixed in Bifrost, Valhall, and Arm 5th Gen GPU Architecture Kernel Driver r46p0. Users are recommended to upgrade if they are impacted by this issue.<br>"}],"value":"This issue is fixed in Bifrost, Valhall, and Arm 5th Gen GPU Architecture Kernel Driver r46p0. Users are recommended to upgrade if they are impacted by this issue."}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/176029/ARM-Mali-r44p0-Use-After-Free.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:59:44.797Z"}},{"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":{"timestamp":"2023-12-19T05:00:21.515051Z","id":"CVE-2023-5427","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-25T16:41:07.193Z"}}]}}}