{"cve":{"cve_id":"CVE-2023-4211","is_kev":true,"kev_date_added":"2023-10-03","kev_vendor_project":"Arm","kev_product":"Mali GPU Kernel Driver","kev_vulnerability_name":"Arm Mali GPU Kernel Driver Use-After-Free Vulnerability","kev_short_description":"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.","kev_required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2023-10-24","kev_known_ransomware":false,"kev_notes":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities;  https://nvd.nist.gov/vuln/detail/CVE-2023-4211","kev_cwes":["CWE-416"],"epss_score":0.01361,"epss_percentile":0.68154,"epss_as_of":"2026-06-23","description":"A local non-privileged user can make improper GPU memory processing operations  to gain access to already freed memory.","published_at":"2023-10-01T17:00:27.113000Z","last_modified_at":null,"cvss_v3_score":5.5,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-416"],"nvd_references":["https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T01:41:16.128405Z"},"effective_severity":"MEDIUM","badges":["kev"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"arm-ltd","vendor_name":"Arm Ltd","product_slug":"arm-5th-gen-gpu-architecture-kernel-driver","product_name":"Arm 5th Gen GPU Architecture Kernel Driver","version_start":"r41p0","version_start_inclusive":true,"version_end":"r42p0","version_end_inclusive":true,"cpe23_uri":"cve5:arm-ltd:arm-5th-gen-gpu-architecture-kernel-driver:r41p0:r42p0"},{"vendor_slug":"arm-ltd","vendor_name":"Arm Ltd","product_slug":"bifrost-gpu-kernel-driver","product_name":"Bifrost GPU Kernel Driver","version_start":"r0p0","version_start_inclusive":true,"version_end":"r42p0","version_end_inclusive":true,"cpe23_uri":"cve5:arm-ltd:bifrost-gpu-kernel-driver:r0p0:r42p0"},{"vendor_slug":"arm-ltd","vendor_name":"Arm Ltd","product_slug":"midgard-gpu-kernel-driver","product_name":"Midgard GPU Kernel Driver","version_start":"r12p0","version_start_inclusive":true,"version_end":"r32p0","version_end_inclusive":true,"cpe23_uri":"cve5:arm-ltd:midgard-gpu-kernel-driver:r12p0:r32p0"},{"vendor_slug":"arm-ltd","vendor_name":"Arm Ltd","product_slug":"valhall-gpu-kernel-driver","product_name":"Valhall GPU Kernel Driver","version_start":"r19p0","version_start_inclusive":true,"version_end":"r42p0","version_end_inclusive":true,"cpe23_uri":"cve5:arm-ltd:valhall-gpu-kernel-driver:r19p0:r42p0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-10-01T17:00:27.113000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2023-10-03T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"cvss_changed","at":"2026-06-28T17:30:48.906316Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:48.906316Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:30:48.906316Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:41:16.128405Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:41:16.128405Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:41:16.128405Z","label":"SSVC decision revised","source":"vulnrichment"}]}