PRIOn knowledge basePRION:CVE-2010-4160Integer overflow
Multiple integer overflows in the (1) pppol2tp_sendmsg function in net/l2tp/l2tp_ppp.c, and the (2) l2tp_ip_sendmsg function in net/l2tp/l2tp_ip.c, in the PPPoL2TP and IPoL2TP implementations in the Linux kernel before 2.6.36.2 allow local users to cause a denial of service (heap memory corruption and panic) or possibly gain privileges via a crafted sendto call.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=253eacc070b114c2ec1f81b067d2fed7305467b0
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8acfe468b0384e834a303f08ebc4953d72fb690a
lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
openwall.com/lists/oss-security/2010/11/10/16
openwall.com/lists/oss-security/2010/11/10/5
openwall.com/lists/oss-security/2010/11/24/12
openwall.com/lists/oss-security/2010/11/24/4
openwall.com/lists/oss-security/2010/11/24/5
openwall.com/lists/oss-security/2010/11/24/6
secunia.com/advisories/42801
secunia.com/advisories/42890
secunia.com/advisories/42932
secunia.com/advisories/43056
secunia.com/advisories/43291
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
www.redhat.com/support/errata/RHSA-2011-0007.html
www.securityfocus.com/bid/44762
www.spinics.net/lists/netdev/msg145248.html
www.spinics.net/lists/netdev/msg145673.html
www.vupen.com/english/advisories/2011/0012
www.vupen.com/english/advisories/2011/0124
www.vupen.com/english/advisories/2011/0213
www.vupen.com/english/advisories/2011/0375
xorl.wordpress.com/2010/11/11/cve-2010-4160-linux-kernel-l2tp-integer-overflows/
bugzilla.redhat.com/show_bug.cgi?id=651892
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