{"schema":"threatline.record/2","record":{"id":"CVE-2023-4211","aliases":[],"summary":"Arm Mali GPU Kernel Driver Use-After-Free Vulnerability","details":"Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.","categories":["Unclassified"],"product":"Mali GPU Kernel Driver","vendor":"Arm","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-4211","source_modified_at":"2025-10-21T23:05:36.029Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Midgard GPU Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r32p0","status":"affected","version":"r12p0","versionType":"patch"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-4211","source_modified_at":"2025-10-21T23:05:36.029Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Bifrost GPU Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r42p0","status":"affected","version":"r0p0","versionType":"patch"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-4211","source_modified_at":"2025-10-21T23:05:36.029Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Valhall GPU Kernel Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r42p0","status":"affected","version":"r19p0","versionType":"patch"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-4211","source_modified_at":"2025-10-21T23:05:36.029Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Arm 5th Gen GPU Architecture Kernel  Driver","vendor":"Arm Ltd","versions":[{"lessThanOrEqual":"r42p0","status":"affected","version":"r41p0","versionType":"patch"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.5,"severity":"Medium","kev":{"listed":true,"date_added":"2023-10-03","due_date":"2023-10-24","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.01098,"percentile":0.65382,"score_date":"2026-10-23"},"published_at":"2023-10-01T17:00:27.113Z","modified_at":"2025-10-21T23:05:36.029Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-4211","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:36.029Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-4211","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4211","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4211","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2023-11-15T16:37:52.728085Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:05:36.029Z","content_hash":"3a7dae14851d82a2a5fa4f74b7c454cc4ff44a51da43e51582a584a90f55504d"}}