{
  "id": 10739156,
  "title": "New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses",
  "url": "https://urgent.news/2026/09/29/new-spectre-v2-btr-attack-leaks-linux-memory-despite-existing-defenses",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-29T17:00:00.000Z",
  "source": {
    "name": "The Hacker News",
    "slug": "the-hacker-news",
    "url": "https://thehackernews.com/2026/09/new-spectre-v2-btr-attack-leaks-linux.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT) engines present in web browsers, language runtimes, and the operating system kernel, across multiple CPU vendors. The new Spectre-v2 variant has been codenamed Branch Target Reuse (BTR). \"The key insight is that, while modern CPUs",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}