Ack: [PATCH 0/1] [ONEIRIC] [PRECISE] [CVE-2012-3375] epoll: clear the tfile_check_list on -ELOOP

Seth Forshee seth.forshee at canonical.com
Wed Jul 11 20:50:58 UTC 2012


On Wed, Jul 11, 2012 at 01:05:00PM -0700, Brad Figg wrote:
> CVE-2012-3375
> 
> BugLink: http://bugs.launchpad.net/bugs/1021811
> 
> An epoll_ctl(,EPOLL_CTL_ADD,,) operation can return '-ELOOP' to prevent
> circular epoll dependencies from being created.  However, in that case we
> do not properly clear the 'tfile_check_list'.  Thus, add a call to
> clear_tfile_check_list() for the -ELOOP case.
> 
> Jason Baron (1):
>   epoll: clear the tfile_check_list on -ELOOP
> 
>  fs/eventpoll.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> -- 
> 1.7.9.5
> 
> 
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