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Message-ID: <alpine.LFD.2.10.1405091851300.16696@wniryva.cad.erqung.pbz>
Date: Fri, 9 May 2014 19:03:44 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE request Linux kernel: filter: prevent nla extensions to peek
beyond the end of the message
Hello,
Linux kenrel built with the BPF interpreter support in the networking core is
vulnerable to an out of bounds buffer access flaw. It occurs when accessing a
netlink attribute from the skb->data buffer.
An unprivileged user/program could use this flaw to crash the system kernel
resulting in DoS.
Upstream fix:
-------------
-> https://git.kernel.org/linus/05ab8f2647e4221cbdb3856dd7d32bd5407316b3
Introduced by:
--------------
-> https://git.kernel.org/linus/4738c1db1593687713869fa69e733eebc7b0d6d8
-> https://git.kernel.org/linus/d214c7537bbf2f247991fb65b3420b0b3d712c67
Thank you.
--
Prasad J Pandit / Red Hat Security Response Team
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