{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-12387",
        "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
        "state": "PUBLISHED",
        "assignerShortName": "Arm",
        "dateReserved": "2026-06-16T11:40:06.387Z",
        "datePublished": "2026-09-08T14:22:15.418Z",
        "dateUpdated": "2026-09-10T17:57:23.474Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
                "shortName": "Arm",
                "dateUpdated": "2026-09-08T14:22:15.418Z"
            },
            "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>"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.1,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                            "integrityImpact": "LOW",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-10T17:57:19.331224Z",
                                "id": "CVE-2026-12387",
                                "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": "2026-09-10T17:57:23.474Z"
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}