What’s Vulnerable › Vulnerabilities
CVE-2026-49745: GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write into FW privdata via MMU ctx 0
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-24 · updated 2026-10-24
- Weakness: CWE-823
Description
Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. These can be used to escalate privileges.
Affected products
- Imagination Technologies Graphics DDK: before 26.1; 26.1-rtm1 — fixed in 26.1
How to fix
Upgrade to a fixed version: Imagination Technologies Graphics DDK 26.1. Check the vendor advisory for mitigations.
References
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