AMD Chipset Driver Information Disclosure Vulnerability

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https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009

Low privileged malicious users may be able to access and leak data through the AMD Chipset Driver.

CVE-2021-26333
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages…

AMD recommends updating to AMD PSP driver 5.17.0.0 through Windows Update or by updating to AMD Chipset Driver 3.08.17.735.

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Alex, Is this also a problem with the custom-made AMD-type chip in the new “Silicon” Macs and with the recent generations of AMD-type chips in iPhones?

Ex-Windows user (Win. 98, XP, 7); since mid-2017 using also macOS. Presently on Monterey 12.15 & sometimes running also Linux (Mint).

MacBook Pro circa mid-2015, 15" display, with 16GB 1600 GHz DDR3 RAM, 1 TB SSD, a Haswell architecture Intel CPU with 4 Cores and 8 Threads model i7-4870HQ @ 2.50GHz.
Intel Iris Pro GPU with Built-in Bus, VRAM 1.5 GB, Display 2880 x 1800 Retina, 24-Bit color.
macOS Monterey; browsers: Waterfox "Current", Vivaldi and (now and then) Chrome; security apps. Intego AV

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OscarCP wrote:

Is this also a problem with the custom-made AMD-type chip in the new “Silicon” Macs and with the recent generations of AMD-type chips in iPhones?

Custom made AMD chips ?
Apple uses ARM based CPUs.
The only AMD used by Apple in Macs are AMD GPUs.

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OscarCP

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One letter here, another letter there … well then, for the acronym-dyslexics like me:

https://en.wikipedia.org/wiki/Advanced_Micro_Devices

Ex-Windows user (Win. 98, XP, 7); since mid-2017 using also macOS. Presently on Monterey 12.15 & sometimes running also Linux (Mint).

MacBook Pro circa mid-2015, 15" display, with 16GB 1600 GHz DDR3 RAM, 1 TB SSD, a Haswell architecture Intel CPU with 4 Cores and 8 Threads model i7-4870HQ @ 2.50GHz.
Intel Iris Pro GPU with Built-in Bus, VRAM 1.5 GB, Display 2880 x 1800 Retina, 24-Bit color.
macOS Monterey; browsers: Waterfox "Current", Vivaldi and (now and then) Chrome; security apps. Intego AV

1 user thanked author for this post.

Alex5723

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