AMD acknowledges a vulnerability in its GPU driver that could crash your PC

guest · Oct 11, 2020

AMD acknowledges a vulnerability in its GPU driver that could crash your PC
Stating the obvious, AMD says you should restart your PC if this happens
October 8, 2020
https://www.pcgamer.com/amd-acknowledges-a-vulnerability-in-its-gpu-driver-that-could-crash-your-pc/

If your PC is prone to those dreaded 'blue screen of death' (BSOD) errors and you are running a Radeon GPU, the culprit could be your graphics driver. And more specifically, a denial-of-service vulnerability that will not be fixed until sometime next year.

Security researchers at Cisco discovered the security flaw, noting that it can be "triggered by executing the D3DKMTCreateAllocation function with malformed data. This leads to an out-of-bounds read vulnerability in AMD ATIKMDAG.SYS driver."
The resulting actions by an attacker could potentially lead to an out-of-bounds read exploit and denial-of-service, which in turns crashes the PC with a BSOD. It can also be triggered by non-privileged (read: guest) accounts.
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This particular vulnerability has a 7.1 Common Vulnerability Scoring System (CVSS) rating, based on a 0 to 10 scale, with 10 being the most serious. AMD acknowledged Cisco's disclosure and the possibility for a BSOD to occur, but said it believes "confidential information and long-term functionality are not impacted."

AMD will offer a more permanent fix through a future graphics driver update, in the first quarter of 2021.
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Cisco Talos: Vulnerability Spotlight: DoS vulnerability in ATIKMDAG.SYS AMD graphics driver

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AMD acknowledges a vulnerability in its GPU driver that could crash your PC

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AMD acknowledges a vulnerability in its GPU driver that could crash your PC

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