CVE-2026-5729: CWE-416 Use After Free in Arm Ltd Valhall GPU Kernel Driver
Description
Use After Free vulnerability in 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 processing operations to access already freed memory. This issue affects Valhall GPU Kernel Driver: from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r50p0 through r54p3, r55p0.
CVSS v3.1
Score 7.8high
Affected software
Arm Ltd
Valhall GPU Kernel Driver
Arm Ltd
Arm 5th Gen GPU Architecture Kernel Driver
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-5729) involves a Use After Free condition in the Arm Ltd Valhall GPU Kernel Driver, specifically impacting the Arm 5th Gen GPU Architecture Kernel Driver versions from r50p0 through r54p3 and r55p0. A local non-privileged user process can exploit this flaw by performing legitimate GPU processing operations that result in accessing memory that has already been freed, potentially leading to confidentiality, integrity, and availability impacts.
Potential Impact
The vulnerability allows a local non-privileged user to access freed memory, which can lead to high impact on confidentiality, integrity, and availability of the affected system. This could result in unauthorized data access, data corruption, or system crashes.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Arm
- Date Reserved
- 2026-04-07T11:49:05.496Z
- State
- PUBLISHED
Threat ID: 6aa01dbbacd9273b49c83714
Added to database: 09/08/2026, 14:37:47 UTC
Last enriched: 09/16/2026, 01:36:43 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 59
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