CVE-2026-0001

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0001", "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "state": "PUBLISHED", "assignerShortName": "Arm", "dateReserved": "2025-10-09T10:18:31.149Z", "datePublished": "2026-09-08T14:18:57.227Z", "dateUpdated": "2026-09-08T14:36:37.191Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "shortName": "Arm", "dateUpdated": "2026-09-08T14:18:57.227Z"}, "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": "r41p0", "lessThanOrEqual": "r49p5", "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": "r41p0", "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"}, {"vendor": "Arm Ltd", "product": "Arm 5th Gen GPU Architecture Kernel Driver", "versions": [{"status": "affected", "version": "r41p0", "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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 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": 4.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-08T14:36:33.816864Z", "id": "CVE-2026-0001", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T14:36:37.191Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-0001", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T14:36:33.816864Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T14:36:20.835Z"}}], "cna": {"title": "Mali GPU Kernel Driver allows access to already freed memory", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "PhysicalLab (Kihyun Jeong, Yuchan Nam, Hyungjung Joo, Hojun Lee, Yunje Shin, Han Lee, seeh0)"}], "affected": [{"vendor": "Arm Ltd", "product": "Bifrost GPU Kernel Driver", "versions": [{"status": "affected", "version": "r41p0", "versionType": "patch", "lessThanOrEqual": "r49p5"}, {"status": "affected", "version": "r50p0", "versionType": "patch", "lessThanOrEqual": "r51p0"}, {"status": "affected", "version": "r54p1", "versionType": "patch", "lessThanOrEqual": "r54p2"}], "defaultStatus": "unaffected"}, {"vendor": "Arm Ltd", "product": "Valhall GPU Kernel Driver", "versions": [{"status": "affected", "version": "r41p0", "versionType": "patch", "lessThanOrEqual": "r49p5"}, {"status": "affected", "version": "r50p0", "versionType": "patch", "lessThanOrEqual": "r54p3"}, {"status": "affected", "version": "r55p0", "versionType": "patch"}, {"status": "unaffected", "version": "r56p0", "versionType": "patch"}], "defaultStatus": "unaffected"}, {"vendor": "Arm Ltd", "product": "Arm 5th Gen GPU Architecture Kernel Driver", "versions": [{"status": "affected", "version": "r41p0", "versionType": "patch", "lessThanOrEqual": "r49p5"}, {"status": "affected", "version": "r50p0", "versionType": "patch", "lessThanOrEqual": "r54p3"}, {"status": "affected", "version": "r55p0", "versionType": "patch"}, {"status": "unaffected", "version": "r56p0", "versionType": "patch"}], "defaultStatus": "unaffected"}], "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", "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>", "base64": false}]}], "references": [{"url": "https://support.arm.com/documentation/111552/1-0/?lang=en"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.", "supportingMedia": [{"type": "text/html", "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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "shortName": "Arm", "dateUpdated": "2026-09-08T14:18:57.227Z"}}}, "cveMetadata": {"cveId": "CVE-2026-0001", "state": "PUBLISHED", "dateUpdated": "2026-09-08T14:36:37.191Z", "dateReserved": "2025-10-09T10:18:31.149Z", "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "datePublished": "2026-09-08T14:18:57.227Z", "assignerShortName": "Arm"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Bifrost GPU Kernel Driver", "vendor": "Arm Ltd", "versions": [{"lessThanOrEqual": "r49p5", "status": "affected", "version": "r41p0", "versionType": "patch"}, {"lessThanOrEqual": "r51p0", "status": "affected", "version": "r50p0", "versionType": "patch"}, {"lessThanOrEqual": "r54p2", "status": "affected", "version": "r54p1", "versionType": "patch"}]}, {"defaultStatus": "unaffected", "product": "Valhall GPU Kernel Driver", "vendor": "Arm Ltd", "versions": [{"lessThanOrEqual": "r49p5", "status": "affected", "version": "r41p0", "versionType": "patch"}, {"lessThanOrEqual": "r54p3", "status": "affected", "version": "r50p0", "versionType": "patch"}, {"status": "affected", "version": "r55p0", "versionType": "patch"}, {"status": "unaffected", "version": "r56p0", "versionType": "patch"}]}, {"defaultStatus": "unaffected", "product": "Arm 5th Gen GPU Architecture Kernel Driver", "vendor": "Arm Ltd", "versions": [{"lessThanOrEqual": "r49p5", "status": "affected", "version": "r41p0", "versionType": "patch"}, {"lessThanOrEqual": "r54p3", "status": "affected", "version": "r50p0", "versionType": "patch"}, {"status": "affected", "version": "r55p0", "versionType": "patch"}, {"status": "unaffected", "version": "r56p0", "versionType": "patch"}]}], "source": "arm-security@arm.com"}], "cveTags": [], "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 r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0."}], "id": "CVE-2026-0001", "lastModified": "2026-09-08T15:24:07.790", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0001", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T14:36:33.816864Z", "version": "2.0.3"}}]}, "published": "2026-09-08T15:18:39.773", "references": [{"source": "arm-security@arm.com", "url": "https://support.arm.com/documentation/111552/1-0/?lang=en"}], "sourceIdentifier": "arm-security@arm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "arm-security@arm.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r41p0,r49p5]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r50p0,r54p3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "r55p0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "r56p0"}}], "enrichment": {"confidence": 96.0, "confidence_source": "matching", "scores": [{"score": 96.0, "source": "matching"}]}, "original": {"product": "Arm 5th Gen GPU Architecture Kernel Driver", "source": "cna", "vendor": "Arm Ltd"}, "product": "arm_5th_gen_gpu_architecture_kernel_driver", "vendor": "arm"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r41p0,r49p5]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r50p0,r51p0]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r54p1,r54p2]"}}], "enrichment": {"confidence": 94.0, "confidence_source": "matching", "scores": [{"score": 94.0, "source": "matching"}]}, "original": {"product": "Bifrost GPU Kernel Driver", "source": "cna", "vendor": "Arm Ltd"}, "product": "bifrost_gpu_kernel_driver", "vendor": "arm"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r41p0,r49p5]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[r50p0,r54p3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "r55p0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "r56p0"}}], "enrichment": {"confidence": 94.0, "confidence_source": "matching", "scores": [{"score": 94.0, "source": "matching"}]}, "original": {"product": "Valhall GPU Kernel Driver", "source": "cna", "vendor": "Arm Ltd"}, "product": "valhall_gpu_kernel_driver", "vendor": "arm"}], "created": "2026-09-08T15:45:06.653352+00:00", "updated": "2026-09-08T20:30:17.440007+00:00", "vendors": ["arm", "arm$PRODUCT$arm_5th_gen_gpu_architecture_kernel_driver", "arm$PRODUCT$bifrost_gpu_kernel_driver", "arm$PRODUCT$valhall_gpu_kernel_driver"]}