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Linux Kernel Security Linux Kernel Security @linkersec · 4.74K subscribers
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PLATYPUS: Software-based Power Side-Channel Attacks on x86

Side-channel attack via Intel Running Average Power Limit (RAPL). On Linux RAPL counters are available to unprivileged users, and the attack allows leaking encryption keys from kernel modules and bypassing KASLR.

Info: https://platypusattack.com/
Paper: https://platypusattack.com/platypus.pdf
Fix: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=949dd0104c496fa7c14991a23c03c62e44637e71
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