WebJul 23, 2024 · The recent Spectre attacks exploit speculative execution, a pervasively used feature of modern microprocessors, to allow the exfiltration of sensitive data across … WebSpeculative interference converts timing changes to persistent cache-state changes, and timing is typically ignored by many cache-based defenses. We develop a framework to understand the attack and demonstrate concrete proof-of-concept attacks against …

Linux kernel logic allowed Spectre attack on major cloud

WebJul 23, 2024 · In this paper, we introduce speculative interference attacks, which show that prior invisible speculation mechanisms do not fully block these speculation-based attacks. We make two key... WebMar 9, 2024 · The notorious Spectre vulnerabilities are in the headlines again thanks to the discovery of a new variant. Researchers with VUSec at the Vrije Universiteit Amsterdam discovered a trio of CVE-listed vulnerabilities based on Spectre V2 that allow an attacker to extract sensitive data, such as security keys, by manipulating the way both Intel and Arm … define bout in hindi

Researchers disclose new Spectre V2 vulnerabilities

WebA normal Spectre attack would monitor the cache state change left by M2 to deduce secret. To prevent this leak, DoM would prevent M2 from chang- ing the cache state, speciically … Web1 day ago · On Thursday, Eduardo (sirdarckcat) Vela Nava, from Google's product security response team, disclosed a Spectre-related flaw in version 6.2 of the Linux kernel. The … Webattacks, along with preliminary defense ideas based on those definitions. 1.Introduction Speculative execution attacks such as Spectre [29] and follow-on work [8,11,21,28,30,34,41,51] have opened a new chapter in processor security. In these attacks, adversary-controlled transient instructions—i.e., speculative instructions fee free crypto wallet