What is CVE-2020-6101?

CVE-2020-6101 is a critical-severity vulnerability in Amd Radeon Directx 11 Driver Atidxx64.dll, classified under Out-of-bounds Write. CVSS score: 9.9/10. Published 2020-07-20.

How severe is CVE-2020-6101?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Amd Radeon Directx 11 Driver Atidxx64.dll

CVE-2020-6101

An exploitable code execution vulnerability exists in the Shader functionality of AMD Radeon DirectX 11 Driver atidxx64.dll 26.20.15019.19000. An attacker can provide a specially crafted shader file to trigger this vulnerability, resulting in code execution. This vulnerability can be triggered from a HYPER-V guest using the RemoteFX feature, leading to executing the vulnerable code on the HYPER-V host (inside of the rdvgm.exe process). Theoretically this vulnerability could be also triggered from web browser (using webGL and webassembly).

Vulnerability class: Buffer Overflow

EPSS: 0.028 (84.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Amd Radeon_directx_11_driver_atidxx64.dll — versions 26.20.15019.19000
N/a Amd — versions AMD Radeon DirectX 11 Driver atidxx64.dll 26.20.15019.19000

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-6101?: CVE-2020-6101 is a critical-severity vulnerability in Amd Radeon Directx 11 Driver Atidxx64.dll, classified under Out-of-bounds Write. CVSS score: 9.9/10. Published 2020-07-20.
How severe is CVE-2020-6101?: Critical severity. CVSS v3 base score is 9.9 out of 10.