Out-of-bounds read in AMD ATIKMDAG.SYS - CVE-2020-12933

 

Out-of-bounds read in AMD ATIKMDAG.SYS - CVE-2020-12933

Published: October 14, 2020 / Updated: October 14, 2020


Vulnerability identifier: #VU47639
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12933
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: AMD
Affected software:
AMD ATIKMDAG.SYS

Detailed vulnerability description

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the D3DKMTEscape handler functionality. A local attacker can send a specially crafted D3DKMTEscape request, trigger out-of-bounds read error and cause a denial of service condition on the system.


How to mitigate CVE-2020-12933

Install updates from vendor's website.

Sources