PT-2020-13322 · Amd · Atikmdag.Sys

Published 2020-10-08 · Updated 2020-10-22 · CVE-2020-12911

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions AMD ATIKMDAG.SYS version 26.20.15029.27017

Description A denial of service issue exists in the D3DKMTCreateAllocation handler functionality. A specially crafted D3DKMTCreateAllocation API request can cause an out-of-bounds read and denial of service, resulting in a BSOD. This issue can be triggered from a non-privileged account.

Recommendations For AMD ATIKMDAG.SYS version 26.20.15029.27017, consider disabling the D3DKMTCreateAllocation handler functionality as a temporary workaround until a patch is available. Restrict access to the D3DKMTCreateAllocation API endpoint to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-12911

Affected Products

Atikmdag.Sys

References · 5

• https://amd.com/en/corporate/product-security · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12911 · Security Note
• https://osv.dev/vulnerability/CVE-2020-12911 · Vendor Advisory
• https://t.me/cibsecurity/15250 · Telegram Post
• https://t.me/cybersecuritytechnologies/1875 · Telegram Post