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I'm happy to announce our work has been accepted at ESORICS 2026: "A Systematic Look at Quality-of-Service Feature Effects on Side Channels in AMD SEV-SNP" Thanks to Carina Fiedler, @rayiizzz.bsky.social, @supersingular.bsky.social, @misc0110.bsky.social, and @gruss.cc for a fun collaboration!

Sudheendra Raghav Neela

@snee.la

We show that AMD's Quality of Service features can amplify side channels in confidential computing. A malicious hypervisor can use QoS allocation/monitoring to leak/boost activity and enable keystroke detection, website fingerprinting, Bleichenbacher (RSA) attacks, and covert channels in SEV-SNP.

27/7/26, 3:57 pm0 reposts0 likes

Sudheendra Raghav Neela

@snee.la

27 July

I have a blog write up here (there's a logo of a cat wearing a business tie - no AI): snee.la/posts/amd-qo... You can read the paper at: snee.la/pdf/pubs/amd... If you're at ESORICS 2026 in Rome, Italy later this year in September 2026, it'd be awesome to meet up :D #esorics #security

snee.laA Cat with an MBA: How AMD QoS Features Enable Side Channels on SEV-SNPForeword This blog post is a summarized and introductory write up of our paper recently accepted at ESORICS 2026 to be presented in Rome, Italy between September 14-16, 2026: “A Systematic Look at Qua...