A revisit of remote Spectre attacks on Cloudflare Workers
First reported · 2mo ago · 1 source
Crest summary — written by AI from the 1 source below; every figure is checked against them · model deepseek-chat
Summary
Cloudflare published a reassessment of remote Spectre attacks against its Workers infrastructure, covering work done in 2024 and 2025 and describing new attack primitives and defenses.
Key facts
- Cloudflare reassessed remote Spectre attacks on Workers in 2024 and 2025.
- The post details new attack primitives including Spectre gadgets and remote timers.
- It covers achieving co-location and defenses that harden Cloudflare Workers.
Why it matters
Developers running code on Cloudflare Workers get a clearer picture of remote Spectre risk and the defenses applied, which may inform how they assess shared-infrastructure security.
Companies
Technologies
- Cloudflare Workersruntime
- Spectreproduct
Original sources (1)
The report this event was built from. Crest of Tech keeps no article bodies: the full text is at each source.
- Cloudflare BlogOfficial · PrimaryA revisit of remote Spectre attacks on Cloudflare Workers · By Martin SchwarzlRead at Cloudflare Blog