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[$] When ELF notes reveal too much
jeudi 22 février 2024, 16:24 , par LWN.net
The Linux kernel uses a number of hardening techniques to try to protect
itself against compromise; one of those is kernel address-space layout randomization (KASLR). But randomization is of little benefit if the kernel spills the beans on where its code has ended up. As it happens, the kernel has been doing exactly that — since 2007, in a behavior that predates the addition of KASLR. Some changes are in the works to close that hole, but it is illustrative of just how hard some secrets are to keep.
https://lwn.net/Articles/962782/
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