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AMD Warns of New Meltdown, Spectre-like Bugs Affecting CPUs

Wednesday July 9, 2025. 10:41 PM , from Slashdot
AMD Warns of New Meltdown, Spectre-like Bugs Affecting CPUs
AMD is warning users of a newly discovered form of side-channel attack affecting a broad range of its chips that could lead to information disclosure. Register: Akin to Meltdown and Spectre, the Transient Scheduler Attack (TSA) comprises four vulnerabilities that AMD said it discovered while looking into a Microsoft report about microarchitectural leaks.

The four bugs do not appear too venomous at face value -- two have medium-severity ratings while the other two are rated 'low.' However, the low-level nature of the exploit's impact has nonetheless led Trend Micro and CrowdStrike to assess the threat as 'critical.'

The reasons for the low severity scores are the high degree of complexity involved in a successful attack -- AMD said it could only be carried out by an attacker able to run arbitrary code on a target machine. It affects AMD processors (desktop, mobile and datacenter models), including 3rd gen and 4th gen EPYC chips -- the full list is here.

Read more of this story at Slashdot.
https://it.slashdot.org/story/25/07/09/1835230/amd-warns-of-new-meltdown-spectre-like-bugs-affecting...

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