AMD Patched a Series of Security Holes in the Graphics

This guide provides a clear, practical overview of AMD patched a series of security holes in the graphics, with useful context, important details, and straightforward takeaways for everyday readers.

Among these are dozens of vulnerabilities rated high risk.

These vulnerabilities were discovered by independent security researchers Ori Nimron and driverThru_BoB 9th, CyberArk Labs' Eran Shimony and Apple Media Products RedTeam's Lucas Bouillot.

The full list of patched bugs is as follows:

Ori Nimron (@orinimron123): CVE-2020-12892, CVE-2020-12893, CVE-2020-12894, CVE-2020-12895, CVE-2020-12897, CVE-2020-12898, CVE-2020-12899, CVE -2020-12900, CVE-2020-12901, CVE-2020-12902, CVE-2020-12903, CVE-2020-12904, CVE-2020-12905, CVE-2020-12963, CVE-2020-12964, CVE-2020 -12980, CVE-2020-12981, CVE-2020-12982, CVE-2020-12983, CVE-2020-12986, CVE-2020-12987
Eran Shimony, CyberArk Labs: CVE-2020-12892
Lucas Bouillot, Apple Media Products RedTeam: CVE-2020-12929
driverThru_BoB 9th: CVE-2020-12960

This week, AMD also patched medium and high-level vulnerabilities affecting AMD EPYC Gen 1st, 2nd, and 3rd processors for servers. These vulnerabilities lead to attacks of arbitrary code execution, SPI ROM protection bypass, integrity compromise, denial of service, and information disclosure attacks.

AMD says that it has partnered with Google, Microsoft, and Oracle to comprehensively test vulnerabilities in AMD Platform Security Processor (PSP), AMD System Management Unit (SMU), AMD Secure Encrypted Virtualization (SEV), and platform components other platform.

In early October, AMD also had to issue a warning about their chip's performance loss when running Windows 11. By the end of October, the performance reduction problem was fixed in Windows 11 update KB5006746.

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