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========================================================================= Ubuntu Security Notice USN-5612-1 September 15, 2022 intel-microcode vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: A security issue was fixed in Intel Microcode.
Home/Magazine Archive/July 2020 (Vol. 63, No. 7)/Spectre Attacks: Exploiting Speculative Execution/Full Text By Paul Kocher, Jann Horn, Anders Fogh, Daniel Genkin, Daniel Gruss, Werner Haas, Mike Hamburg, Moritz Lipp, Stefan Mangard, Thomas Prescher, Michael Schwarz, Yuval Yarom Communications of the ACM, July 2020, Vol.
Home/Magazine Archive/June 2020 (Vol. 63, No. 6)/Meltdown: Reading Kernel Memory from User Space/Full Text By Moritz Lipp, Michael Schwarz, Daniel Gruss, Thomas Prescher, Werner Haas, Jann Horn, Stefan Mangard, Paul Kocher, Daniel Genkin, Yuval Yarom, Mike Hamburg, Raoul Strackx Communications of the ACM, June 2020, Vol.
Modern CPU architectures offer strong isolation guarantees towards user applications in the form of enclaves. For instance, Intel's threat model for SGX assumes fully trusted enclaves, yet there is an ongoing debate on whether this threat model is realistic. In particular, it is unclear to what extent enclave malware could harm a system.
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