Arm Valhall
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By the Year
In 2026 there have been 2 vulnerabilities in Arm Valhall with an average score of 6.5 out of ten. Valhall did not have any published security vulnerabilities last year. That is, 2 more vulnerabilities have already been reported in 2026 as compared to last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 2 | 6.45 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 2 | 7.15 |
| 2022 | 2 | 7.15 |
| 2021 | 1 | 8.80 |
It may take a day or so for new Valhall vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Arm Valhall Security Vulnerabilities
Use-After-Free in Arm Valhall GPU Userspace Driver (CVE-2026-11891)
CVE-2026-11891
5.1 - Medium
- September 08, 2026
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.
Dangling pointer
Arm GPU Userspace Driver Use-After-Free via WebGL/WebGPU
CVE-2026-9034
7.8 - High
- September 08, 2026
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. 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.
Dangling pointer
Non-Privileged Local GPU Memory Leak in Windows Graphics Driver
CVE-2023-4211
5.5 - Medium
- October 01, 2023
A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.
Dangling pointer
ARM Mali GPU Kernel Driver UAF via Improper GPU Ops (CVE-2022-46891)
CVE-2022-46891
8.8 - High
- January 17, 2023
An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.
Dangling pointer
Arm Mali GPU Kernel Driver: Improper Buffer Handling by Non-Privileged User
CVE-2022-36449
6.5 - Medium
- September 01, 2022
An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory, write a limited amount outside of buffer bounds, or to disclose details of memory mappings. This affects Midgard r4p0 through r32p0, Bifrost r0p0 through r38p0 and r39p0 before r38p1, and Valhall r19p0 through r38p0 and r39p0 before r38p1.
Dangling pointer
Arm Mali GPU Kernel Driver allows a non-privileged user to achieve write access to read-only memory pages
CVE-2022-22706
7.8 - High
- March 03, 2022
Arm Mali GPU Kernel Driver allows a non-privileged user to achieve write access to read-only memory pages. This affects Midgard r26p0 through r31p0, Bifrost r0p0 through r35p0, and Valhall r19p0 through r35p0.
Buffer Overflow
. The Arm Mali GPU kernel driver allows an unprivileged user
CVE-2021-29256
8.8 - High
- May 24, 2021
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Dangling pointer
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