CVE-2010-2960 kernel: keyctl_session_to_parent null ptr deref

[Eugene Teo <eugene () redhat com>]

Reported by Tavis Ormandy.

Patches (not in upstream yet):
https://bugzilla.redhat.com/show_bug.cgi?id=627440#c4
https://bugzilla.redhat.com/show_bug.cgi?id=627440#c5

You might need to comment out all the pam_keyinit calls in /etc/pam.d/ 
to reproduce the problem if the version of the kernel you are using is 
affected.

Introduced via upstream commit ee18d64c (v2.6.32-rc1).

References:
https://bugzilla.redhat.com/CVE-2010-2960
https://bugzilla.redhat.com/show_bug.cgi?id=627440#c3

Thanks, Eugene
--
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