New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs

Home / Tech / New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs

New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs

August 6, 2026 dirk 0 Comments 3 tags

New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs

An unprivileged Linux program can time a hardware interrupt to land in the gap between a processor sanitizing its branch predictor and the kernel using it, re-poisoning the predictor after the defense has run.

MIT CSAIL researchers Daniël Trujillo and Mengjia Yan named the technique INTERRUPT INJECTION. On an AMD Zen 2 machine running Linux 6.14 with every default Spectre v2 mitigation on,

Source: The Hacker News

Explore More

JFrog Confirms OpenAI Models Exploited Artifactory Zero-Day Before Hugging Face Breach

JFrog Confirms OpenAI Models Exploited Artifactory Zero-Day Before Hugging Face Breach JFrog has confirmed that OpenAI models exploited a zero-day in self-hosted Artifactory while trying to reach the open internet

Phantom Squatting Uses AI-Hallucinated Domains for Phishing and Malware

Phantom Squatting Uses AI-Hallucinated Domains for Phishing and Malware Large language models keep inventing web addresses that do not exist. Attackers have started buying those made-up domains before anyone else

Understanding the Linux Kernel: The Scheduler

Understanding the Linux Kernel: The Scheduler Source: Hacker News