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High severity8.8NVD Advisory· Published Apr 27, 2020· Updated Jun 17, 2026

CVE-2020-12138

CVE-2020-12138

Description

AMD ATI atillk64.sys 5.11.9.0 allows low-privileged users to interact directly with physical memory by calling one of several driver routines that map physical memory into the virtual address space of the calling process. This could enable low-privileged users to achieve NT AUTHORITY\SYSTEM privileges via a DeviceIoControl call associated with MmMapIoSpace, IoAllocateMdl, MmBuildMdlForNonPagedPool, or MmMapLockedPages.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • AMD/Atillk64
    cpe:2.3:a:amd:atillk64:5.11.9.0:*:*:*:*:*:*:*
  • AMD/ATI atillk64.sysdescription
  • AMD/atillk64.sysllm-fuzzy
    Range: = 5.11.9.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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