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Old 07-11-2012, 08:50 PM
Seth Forshee
 
Default Ack: epoll: clear the tfile_check_list on -ELOOP

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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> kernel-team@lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

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