DualGuard unifies memory safety for normal and speculative execution
The LLVM framework reports 3% to 72% less overhead than naive combinations of separate memory-safety and speculative defenses.
Stories per day · 30 days
4 RSS
Relatedtool-use2agents1inference1latency1llm1llvm1mcp1memory-safety1speculative-load-hardening1voice-agents1
9 stories, newest first · one card per story
Stories tagged #speculative-execution
Heartbeat Thinking keeps voice-agent tools running while listening
On FDBench v3, tool coverage rises 16 percentage points and mean final-response latency falls 36.4 percent versus a windowed baseline.
Trajectory-Level Speculation with Semantic Verification for Tool-Using Agents
SpecAgent has a weak model draft grounded tool steps and a strong model verify them in one prefill.
Hiding Tool Latency in On-Device Cascaded Voice Agent through Speculative Execution
Speculative tool execution cuts on-device voice-agent median time-to-first-audio from 5.79s to 4.60s.
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses
BTR, a new Spectre-v2 variant from VUSec researchers, hijacks stale JIT branch predictions to leak kernel secrets from fully patched systems.
6
58 hardware vulnerabilities: A guide to the threats
CSO Online reference guide catalogs 58 CPU and DRAM hardware vulnerabilities from Spectre and Meltdown onward, covering side-channel flaws and mitigation limits.
USN-8668-2: Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu patches Linux kernel vulnerabilities for Raspberry Pi, including an NTFS flaw and an AMD processor speculative execution issue.
SCHERI: Provably Secure Speculation Under the Constant-Time Policy for CHERI (Extended Version)
Researchers formally prove existing CHERI speculation proposals leak secrets and present SCHERI, a processor design with end-to-end Spectre-resistant constant-time guarantees.
A revisit of remote Spectre attacks on Cloudflare Workers
Cloudflare details its 2024-2025 reassessment of remote Spectre attacks on Workers, covering new attack primitives and hardened defenses.