<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Speculative-Execution on CuraSec</title><link>https://curasec.metacog.co.kr/tags/speculative-execution/</link><description>Recent content in Speculative-Execution on CuraSec</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Wed, 30 Sep 2026 16:48:49 +0000</lastBuildDate><atom:link href="https://curasec.metacog.co.kr/tags/speculative-execution/index.xml" rel="self" type="application/rss+xml"/><item><title>New Spectre-v2 BTR Variant Bypasses Linux Mitigations via JIT Engines</title><link>https://curasec.metacog.co.kr/insights/2026-09-30-new-spectre-v2-btr-attack-leaks-linux-memory-despite-existin/</link><pubDate>Wed, 30 Sep 2026 16:48:49 +0000</pubDate><guid>https://curasec.metacog.co.kr/insights/2026-09-30-new-spectre-v2-btr-attack-leaks-linux-memory-despite-existin/</guid><description>&lt;ul>
&lt;li>&lt;strong>Engineer — Learn:&lt;/strong> Novel speculative-execution research affecting JIT-heavy runtimes and the kernel across multiple CPU vendors — no enrichment signals (no KEV, PoC, or EPSS) and no concrete patch yet, so no immediate action; worth tracking for upcoming OS/microcode mitigations.&lt;/li>
&lt;li>&lt;strong>SOC/IR — Skip&lt;/strong>&lt;/li>
&lt;li>&lt;strong>Leader — Skip&lt;/strong>&lt;/li>
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