CVE-2026-11891

Mali GPU Userspace Driver allows access to already freed memory

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-11891

Published

Use After Free vulnerability in 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. This issue affects Valhall GPU Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Userspace Driver: from r46p0 through r49p5, from r50p0 through r54p3, r55p0.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-11891

Published

Valhall GPU Userspace Driver

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Arm Ltd",
                    "product": "Valhall GPU Userspace Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "r46p0",
                            "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"
                }

Arm 5th Gen GPU Architecture Userspace Driver

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Arm Ltd",
                    "product": "Arm 5th Gen GPU Architecture Userspace Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "r46p0",
                            "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"
                }

Original source record · Cite this exact observation · Complete original publisher JSON