CVE-2025-6349
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-01
Last updated on: 2025-12-02
Assigner: Arm Limited
Description
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 improper GPU memory processing operations to gain access to already freed memory.This issue affects Valhall GPU Kernel Driver: from r53p0 through r54p1; Arm 5th Gen GPU Architecture Kernel Driver: from r53p0 through r54p1.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| arm | 5th_gen_gpu_architecture_kernel_driver | From r53p0 (inc) to r54p2 (exc) |
| arm | valhall_gpu_kernel_driver | From r53p0 (inc) to r54p2 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Use After Free issue in the Arm Ltd Valhall GPU Kernel Driver and Arm 5th Gen GPU Architecture Kernel Driver. It allows a local non-privileged user process to improperly handle GPU memory operations, gaining access to memory that has already been freed.
How can this vulnerability impact me? :
The vulnerability can allow a local non-privileged user to access freed memory, which may lead to unauthorized access to sensitive data, potential escalation of privileges, or system instability.
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