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    "cveMetadata": {
        "cveId": "CVE-2026-9034",
        "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
        "state": "PUBLISHED",
        "assignerShortName": "Arm",
        "dateReserved": "2026-05-19T16:30:46.525Z",
        "datePublished": "2026-09-08T14:20:53.547Z",
        "dateUpdated": "2026-09-08T14:20:53.547Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "56a131ea-b967-4a0d-a41e-5f3549952846",
                "shortName": "Arm",
                "dateUpdated": "2026-09-08T14:20:53.547Z"
            },
            "title": "Mali GPU Userspace 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 Userspace Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "r42p0",
                            "lessThanOrEqual": "r49p5",
                            "versionType": "patch"
                        },
                        {
                            "status": "affected",
                            "version": "r50p0",
                            "lessThanOrEqual": "r51p0",
                            "versionType": "patch"
                        },
                        {
                            "status": "affected",
                            "version": "r54p1",
                            "lessThanOrEqual": "r54p3",
                            "versionType": "patch"
                        }
                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "Arm Ltd",
                    "product": "Valhall GPU Userspace Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "r42p0",
                            "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 Userspace Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "r42p0",
                            "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"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p3; Valhall GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0.",
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                            "value": "<p>Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory.</p><p>This issue affects Bifrost GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p3; Valhall GPU Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r42p0 through r49p5, from r50p0 through r54p3, r55p0.</p>"
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                    ]
                }
            ],
            "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 Userspace Driver: r56p0; Arm 5th Gen GPU Architecture Userspace Driver: r56p0. Arm partners are recommended to upgrade to the latest applicable version as soon as possible.",
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                            "value": "<p>This issue has been fixed in the following versions: Valhall GPU Userspace Driver: r56p0; Arm 5th Gen GPU Architecture Userspace Driver: r56p0. Arm partners are recommended to upgrade to the latest applicable version as soon as possible.</p>"
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                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Florian Schweitzer (aff. Certitude Consulting GmbH)",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
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