x86 Kernel Shadow Stacks Being Worked On For Linux As Powerful Control Flow Protection

Linux user-space for several years had shadow stack support for hardware-enforced control-flow enforcement in defending against return oriented programming (ROP) attacks. Intel Tigerlake and newer CPUs or AMD Zen 3 and newer have the necessary hardware shadow stacks support. Shadow stacks have been effective for helping user-space software fend ROP attacks while now there is new work toward…

phoronix.com ·6h ago

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