Date: Mon, 20 Jul 2009 07:44:32 -0700 From: Greg KH <greg@...ah.com> To: oss-security@...ts.openwall.com Cc: dailydave <dailydave@...ts.immunitysec.com> Subject: Re: Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable On Mon, Jul 20, 2009 at 12:01:47PM +0200, Marcus Meissner wrote: > On Fri, Jul 17, 2009 at 09:23:03AM +0200, yersinia wrote: > > FYI, a Sprengler 0-day against Selinux null ptr dereference. Very Nice > > to see in action > > > > reference ( with youtube link ) > > > > http://grsecurity.net/~spender/cheddar_bay.tgz > > Yeah. > > Some "minor" bugs and one larger one. > > The Linux folks have meanwhile: > > - Fixed the actual bug. ;) (CVE-2009-1897) > Only affects 2.6.30,22.214.171.124. > > 126.96.36.199 release soon. > > - Added -fno-delete-null-pointers to their Makefiles > > Also in 188.8.131.52 and 2. > > - fixed the personality - PER_CLEAR_ON_SETTID inheritance issue (CVE-2009-1895) > to work around mmap_min_addr protection. > Affects 2.6.23-184.108.40.206 > > 220.127.116.11 and 2.6.27.x releases soon. 18.104.22.168 and 22.214.171.124 releases happened about 8 hours ago. thanks, greg k-h
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