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Microsoft Warns Some Home windows 11 Gadgets May Expertise Information Injury



Microsoft has warned of a brand new concern affecting Home windows 11 and Home windows Server 2022, with the corporate explaining that some units might find yourself experiencing information harm when they’re geared up with the latest supported processors.

“Home windows units that help the latest Vector Superior Encryption Customary (AES) (VAES) instruction set may be inclined to information harm. The affected Home windows units use one of many following on new {hardware}: AES XEX-based tweaked-codebook mode with ciphertext stealing (AES-XTS); AES with Galois/Counter Mode (GCM) (AES-GCM),” the corporate warns.

The Redmond-based software program large says it has already launched a patch, and it’s obtainable within the late-Might and June updates. In different phrases, in case your gadget is already up-to-date, the fixes ought to be there in your gadget.

Newest updates additionally resolve the slowdown

Nonetheless, the corporate says that units the place these patches have already been deployed might expertise efficiency degradation, particularly when utilizing BitLocker, TLS, or disk throughput.

“To stop additional information harm, we addressed this concern within the Might 24, 2022 preview launch and the June 14, 2022 safety launch. After making use of these updates, you would possibly discover slower efficiency for nearly one month after you put in them on Home windows Server 2022 and Home windows 11 (unique launch),” Microsoft says.

In some instances, the AES-based operations could possibly be two instances slower.

Microsoft, nevertheless, has already addressed the slowdown, and customers are actually being informed to put in the June 23 or July 12 updates for Home windows 11 and Home windows Server 2022.

“We added new code paths to the Home windows 11 (unique launch) and Home windows Server 2022 variations of SymCrypt to reap the benefits of VAES (vectorized AES) directions. SymCrypt is the core cryptographic library in Home windows. These directions act on Superior Vector Extensions (AVX) registers for {hardware} with the latest supported processors,” Microsoft additional notes.



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