Date: Tue, 31 Jul 2012 10:48:16 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Xin Li <delphij@delphij.net>, Bill Crisp <bcrisp@crispernetworks.com> Subject: Re: CVE-2012-0217 Intel's sysret Kernel Privilege Escalation and FreeBSD 6.2/6.3 Message-ID: <201207311048.16392.jhb@freebsd.org> In-Reply-To: <CAD4099k=h9T=fEXK5UjYoGifo8NGKcPWRA7eQ4C15sgdR2CMQQ@mail.gmail.com> References: <CAOmNS514kLwq=MpGbwL324MQGQYrCAgM9ByaocRujjG1M55%2BTg@mail.gmail.com> <CAOmNS50Gz_cnaqhxu0%2BbUO1JUBfUF6OHS2TaHZhiw6C-NtipGQ@mail.gmail.com> <CAD4099k=h9T=fEXK5UjYoGifo8NGKcPWRA7eQ4C15sgdR2CMQQ@mail.gmail.com>
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On Wednesday, July 18, 2012 4:59:21 pm James wrote: > On Wed, Jul 18, 2012 at 3:26 PM, Bill Crisp <bcrisp@crispernetworks.com> wrote: > > > > Unfortunately I tried to put the code from the patch in place but there > > seems to be some missing functions in the header file and too many > > arguments to a function and some other errors below: > > Hi Bill. Yes, the patch for >= FreeBSD 7 won't apply directly to > 6. ksi and the refined SIGBUS traps don't exist yet. Here's how I > fixed it at work. Using this on multiple releng_6* branches. > > HTH! This looks correct. A cosmetic nit would be to move the new changes up above the "Traced system call" comment. -- John Baldwin
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