lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 10 Jun 2016 12:51:58 +0200 From: Martin Schwidefsky <schwidefsky@...ibm.com> To: Kees Cook <keescook@...omium.org> Cc: linux-kernel@...r.kernel.org, Heiko Carstens <heiko.carstens@...ibm.com>, linux-s390@...r.kernel.org, Andy Lutomirski <luto@...nel.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Catalin Marinas <catalin.marinas@....com>, Chris Metcalf <cmetcalf@...lanox.com>, Helge Deller <deller@....de>, "James E.J. Bottomley" <jejb@...isc-linux.org>, James Hogan <james.hogan@...tec.com>, Jeff Dike <jdike@...toit.com>, linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mips@...ux-mips.org, linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, "Maciej W. Rozycki" <macro@...tec.com>, Mark Rutland <mark.rutland@....com>, Michael Ellerman <mpe@...erman.id.au>, Paul Mackerras <paulus@...ba.org>, Ralf Baechle <ralf@...ux-mips.org>, Richard Weinberger <richard@....at>, Russell King <linux@...linux.org.uk>, user-mode-linux-devel@...ts.sourceforge.net, Will Deacon <will.deacon@....com>, x86@...nel.org Subject: Re: [PATCH 11/14] s390/ptrace: run seccomp after ptrace On Thu, 9 Jun 2016 14:02:01 -0700 Kees Cook <keescook@...omium.org> wrote: > Close the hole where ptrace can change a syscall out from under seccomp. > > Signed-off-by: Kees Cook <keescook@...omium.org> > Cc: Heiko Carstens <heiko.carstens@...ibm.com> > Cc: Martin Schwidefsky <schwidefsky@...ibm.com> > Cc: linux-s390@...r.kernel.org > --- > arch/s390/kernel/ptrace.c | 21 +++++++++------------ > 1 file changed, 9 insertions(+), 12 deletions(-) If the change in semantics in regard to the audit of skipped system calls is acceptable, the modified s390 arch code is ok. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.
Powered by blists - more mailing lists