Hacker News Top Stories with Summaries (March 16, 2024)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for March 16, 2024 :</p>
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On clock faces, 4 is Expressed as IIII, not IV
Summary: The Seiko Museum Ginza explores the mystery of why the Roman numeral 4 is often expressed as IIII instead of IV on clock dial plates. Theories include King Charles V of France changing IV to IIII due to bad luck, and IIII being more visually balanced with VIII. The notation IIII was commonly used until the 17th century and has remained conventional in the industry.
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GhostRace: Exploiting and mitigating speculative race conditions
Summary: Researchers at VUSec discovered a vulnerability called GhostRace (CVE-2024-2193), which exploits speculative race conditions in synchronization primitives on speculatively executed code paths. This allows attackers to leak information from target software. The issue affects major hardware vendors and software targets, including x86, ARM, and RISC-V microarchitectures. A proposed mitigation involves serializing affected synchronization primitives on Linux, but kernel developers have no immediate plans to implement it due to performance concerns.