Microsoft Intel AMD AES Aware

Windows 11 used with modern CPUs could lead to encrypted data corruption

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pcgamer.com

Microsoft has warned that some users may be affected by an issue related to its encryption features in combination with CPUs with Vector Advanced Encryption Standard (VAES) instructions.

The issue can lead to ‘data damage’. The issue affects Windows 11 and Windows Server 2022. According to a post on Microsoft’s website(opens in new tab), the services that may be impacted include Bitlocker, which is Microsoft’s full volume encryption feature.

It uses the AES instruction sets supported by modern CPUs, specifically the AES XEX-based tweaked-codebook mode with ciphertext stealing (AES-XTS) and AES with Galois/Counter Mode (GCM) (AES-GCM).

The list of CPUs that are affected has not been revealed, however, Intel 10th Gen and newer, and AMD Ryzen 5000 and newer CPUs are believed to be affected.

Read more on pcgamer.com
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