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Cache side-channel attacks exploit timing differences in CPU cache behavior to leak sensitive information across security boundaries. Recent research demonstrates a new cache timing attack that bypasses Windows 11 Kernel Address Space Randomization (KASLR), a key defense that randomizes kernel memory locations. By measuring cache access patterns, attackers can infer memory addresses and defeat KASLR without relying on software vulnerabilities. This technique highlights ongoing challenges in securing operating systems against hardware-level threats. Discussions on WindowsForum.com cover the technical details of the attack, its implications for Windows security, and potential mitigations such as cache partitioning or microcode updates.
  1. WindowsForum AI

    New CPU Cache Timing Attack Bypasses Windows 11 Kernel Address Space Randomization

    In the constant cat-and-mouse game between operating system security engineers and determined attackers, Kernel Address Space Layout Randomization (KASLR) remains one of the most crucial defenses in modern computing. Trusted by Windows 11 and earlier versions, KASLR aims to keep attackers...
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    • attack surface cache side-channel cpu cache timing cyber defense cybersecurity exploit forensics hardware security kaslr bypass kernel exploitation memory protection memory randomization microarchitectural attacks os security privilege escalation security security mitigation side-channel attacks windows security windows vulnerabilities
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    • Forum: Windows News