Date: Wed, 18 Jul 2012 15:59:21 -0500 From: James <james@hicag.org> To: Bill Crisp <bcrisp@crispernetworks.com> Cc: freebsd-hackers@freebsd.org, Xin Li <delphij@delphij.net> Subject: Re: CVE-2012-0217 Intel's sysret Kernel Privilege Escalation and FreeBSD 6.2/6.3 Message-ID: <CAD4099k=h9T=fEXK5UjYoGifo8NGKcPWRA7eQ4C15sgdR2CMQQ@mail.gmail.com> In-Reply-To: <CAOmNS50Gz_cnaqhxu0%2BbUO1JUBfUF6OHS2TaHZhiw6C-NtipGQ@mail.gmail.com> References: <CAOmNS514kLwq=MpGbwL324MQGQYrCAgM9ByaocRujjG1M55%2BTg@mail.gmail.com> <4FFF4B95.9080105@delphij.net> <CAOmNS50Gz_cnaqhxu0%2BbUO1JUBfUF6OHS2TaHZhiw6C-NtipGQ@mail.gmail.com>
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--f46d04374547e88d5604c520efff Content-Type: text/plain; charset=ISO-8859-1 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! -- James. --f46d04374547e88d5604c520efff Content-Type: application/octet-stream; name="CVE-2012-0217_releng_6.patch" Content-Disposition: attachment; filename="CVE-2012-0217_releng_6.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_h4sw8opl0 SW5kZXg6IHNyYy9zeXMvYW1kNjQvYW1kNjQvdHJhcC5jCj09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIHNyYy9zeXMv YW1kNjQvYW1kNjQvdHJhcC5jCShyZXZpc2lvbiA0NTY0KQorKysgc3JjL3N5cy9hbWQ2NC9hbWQ2 NC90cmFwLmMJKHJldmlzaW9uIDQ1NjUpCkBAIC04NDYsNiArODQ2LDE3IEBACiAJLyoKIAkgKiBU cmFjZWQgc3lzY2FsbC4KIAkgKi8KKworCS8qCisJICogSWYgdGhlIHVzZXItc3VwcGxpZWQgdmFs dWUgb2YgJXJpcCBpcyBub3QgYSBjYW5vbmljYWwKKwkgKiBhZGRyZXNzLCB0aGVuIHNvbWUgQ1BV cyB3aWxsIHRyaWdnZXIgYSByaW5nIDAgI0dQIGR1cmluZworCSAqIHRoZSBzeXNyZXQgaW5zdHJ1 Y3Rpb24uICBIb3dldmVyLCB0aGUgZmF1bHQgaGFuZGxlciB3b3VsZAorCSAqIGV4ZWN1dGUgd2l0 aCB0aGUgdXNlcidzICVncyBhbmQgJXJzcCBpbiByaW5nIDAgd2hpY2ggd291bGQKKwkgKiBub3Qg YmUgc2FmZS4gIEluc3RlYWQsIHByZWVtcHRpdmVseSBraWxsIHRoZSB0aHJlYWQgd2l0aCBhCisJ ICogU0lHQlVTLgorCSAqLworCWlmICh0ZC0+dGRfZnJhbWUtPnRmX3JpcCA+PSBWTV9NQVhVU0VS X0FERFJFU1MpCisJCXRyYXBzaWduYWwodGQsIFNJR0JVUywgVF9QUk9URkxUKTsKIAlpZiAob3Jp Z190Zl9yZmxhZ3MgJiBQU0xfVCkgewogCQlmcmFtZS50Zl9yZmxhZ3MgJj0gflBTTF9UOwogCQl0 cmFwc2lnbmFsKHRkLCBTSUdUUkFQLCAwKTsK --f46d04374547e88d5604c520efff--
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