Common Vulnerabilities and Exposures assigned an identifier CVE-2007-1730 to the following vulnerability: Integer signedness error in the DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later allows local users to read kernel memory or cause a denial of service (oops) via a negative optlen value. References: http://www.securityfocus.com/archive/1/archive/1/463934/100/0/threaded http://www.securityfocus.com/archive/1/archive/1/464144/100/0/threaded http://marc.info/?l=dccp&m=117509584316267&w=2 http://www.ubuntu.com/usn/usn-464-1 http://www.securityfocus.com/bid/23162 http://www.frsirt.com/english/advisories/2007/1143 http://www.securitytracker.com/id?1017820 http://secunia.com/advisories/25392 http://securityreason.com/securityalert/2482 http://xforce.iss.net/xforce/xfdb/33274
upstream fix http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=39ebc0276bada8bb70e067cb6d0eb71839c0fb08