MEDIUM
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.
http://marc.info/?l=dccp&m=117509584316267&w=2
http://secunia.com/advisories/25392
http://securityreason.com/securityalert/2482
http://www.securityfocus.com/archive/1/463934/100/0/threaded
http://www.securityfocus.com/archive/1/464144/100/0/threaded
http://www.securityfocus.com/bid/23162
http://www.securitytracker.com/id?1017820
http://www.ubuntu.com/usn/usn-464-1
Source: MITRE
Published: 2007-03-28
Updated: 2018-10-16
Type: NVD-CWE-Other
Base Score: 6.6
Vector: AV:L/AC:L/Au:N/C:C/I:N/A:C
Impact Score: 9.2
Exploitability Score: 3.9
Severity: MEDIUM