Out-of-bounds Read in AMD Atikmdag.sys

CVE-2020-12911

A denial of service vulnerability exists in the D3DKMTCreateAllocation handler functionality of AMD ATIKMDAG.SYS (e.g. version 26.20.15029.27017). A specially crafted D3DKMTCreateAllocation API request can cause an out-of-bounds read and denial of service (BSOD). This vulnerability can be triggered from a non-privileged account.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-12911: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • AMD Atikmdag.sys — versions 26.20.15029.27017
  • AMD Graphics Driver For Windows — versions Fixed in version 20.50 and later

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-12911?
CVE-2020-12911 is a medium-severity vulnerability in AMD Atikmdag.sys, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-10-13.
How severe is CVE-2020-12911?
Medium severity. CVSS v3 base score is 5.5 out of 10.