PRIOn knowledge basePRION:CVE-2013-2206Null pointer dereference
The sctp_sf_do_5_2_4_dupcook function in net/sctp/sm_statefuns.c in the SCTP implementation in the Linux kernel before 3.8.5 does not properly handle associations during the processing of a duplicate COOKIE ECHO chunk, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted SCTP traffic.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f2815633504b442ca0b0605c16bf3d88a3a0fcea
lists.opensuse.org/opensuse-security-announce/2013-11/msg00020.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00021.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00023.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00024.html
lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
rhn.redhat.com/errata/RHSA-2013-1166.html
rhn.redhat.com/errata/RHSA-2013-1173.html
www.debian.org/security/2013/dsa-2766
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.5
www.openwall.com/lists/oss-security/2013/06/21/1
www.ubuntu.com/usn/USN-1939-1
bugzilla.redhat.com/show_bug.cgi?id=976562
github.com/torvalds/linux/commit/f2815633504b442ca0b0605c16bf3d88a3a0fcea
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