Date: Wed, 21 Jun 2017 12:46:28 +0200 From: Agostino Sarubbo <ago@...too.org> To: oss-security@...ts.openwall.com Subject: Re: Qualys Security Advisory - The Stack Clash On Monday 19 June 2017 08:28:43 Qualys Security Advisory wrote: > III. Solutions > - Recompile all userland code (ld.so, libraries, binaries) with GCC's > "-fstack-check" option, which prevents the stack-pointer from moving > into another memory region without accessing the stack guard-page (it > writes one word to every 4KB page allocated on the stack). For the record, Gentoo Hardened enables by default -fstack-check=specific -- Agostino Sarubbo Gentoo Linux Developer
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