The second virtual mapping references a physical address that has been freed after the first virtual mapping has been freed. This allows the physical memory to be allocated (for example) by another process and read/written to.
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | unknown |
|
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No vendor fix or workaround currently provided.
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Tracking
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| Link | Providers |
|---|---|
| https://www.imaginationtech.com/gpu-driver-vulnerabilities/ |
|
Fri, 10 Jul 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an integer overflow and map two GPU virtual addresses to the same physical address. One of these virutal mappings can be freed along with the physical page, allowing for a read/write UAF via the second mapping The second virtual mapping references a physical address that has been freed after the first virtual mapping has been freed. This allows the physical memory to be allocated (for example) by another process and read/written to. | |
| Title | GPU DDK - UAF read and/or write of arbitrary physical memory due to integer truncation in PMRDevPhysAddrOSMem | |
| Weaknesses | CWE-416 | |
| References |
|
Subscriptions
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MITRE
Status: PUBLISHED
Assigner: imaginationtech
Published:
Updated: 2026-07-10T20:42:17.526Z
Reserved: 2026-03-26T13:47:30.669Z
Link: CVE-2026-34196
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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