CVE-2026-11891
5.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Arm Ltd | Valhall GPU Userspace Driver | r46p0 <= r49p5 | affected |
| Arm Ltd | Valhall GPU Userspace Driver | r50p0 <= r54p3 | affected |
| Arm Ltd | Valhall GPU Userspace Driver | r55p0 | affected |
| Arm Ltd | Valhall GPU Userspace Driver | r56p0 | unaffected |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | r46p0 <= r49p5 | affected |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | r50p0 <= r54p3 | affected |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | r55p0 | affected |
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver | r56p0 | unaffected |
Weaknesses
- CWE-416: CWE-416 Use After Free
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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