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Message-ID: <20141113152056.GS5570@dhcp-25-225.brq.redhat.com>
Date: Thu, 13 Nov 2014 16:20:56 +0100
From: Petr Matousek <pmatouse@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2014-7841 Linux kernel: net: sctp: NULL pointer dereference in
af->from_addr_param on malformed packet
An SCTP server doing ASCONF will panic on malformed INIT ping-of-death
in the form of:
------------ INIT[PARAM: SET_PRIMARY_IP] ------------>
A remote attacker could use this flaw to crash the system by sending a
maliciously prepared SCTP packet in order to trigger a NULL pointer
dereference on the server.
Upstream patch:
https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=e40607cbe270a9e8360907cb1e62ddf0736e4864
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1163087
--
Petr Matousek / Red Hat Product Security
PGP: 0xC44977CA 8107 AF16 A416 F9AF 18F3 D874 3E78 6F42 C449 77CA
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