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New Spectre-v2 BTR Variant Bypasses Linux Mitigations via JIT Engines

  • Engineer — Learn: 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.
  • SOC/IR — Skip
  • Leader — Skip
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.