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CVE-2020-12138

HIGH
8.8
CVSS Score
Published: April 27, 2020 at 02:31 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
1 product affected across 1 vendorATILLK64

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://eclypsium.com/2019/11/12/mother-of-all-drivers/
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://h0mbre.github.io/atillk64_exploit/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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