National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2007-1730 Detail


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.

Source:  MITRE      Last Modified:  03/28/2007

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:L/AC:L/Au:N/C:C/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/23/2007)

Not vulnerable. This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

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Hyperlink Resource Type Source Name External Source MLIST [dccp] 20070328 [PATCH 1/1] getsockopt: Fix DCCP_SOCKOPT_[SEND,RECV]_CSCOV External Source SREASON 2482 External Source BUGTRAQ 20070327 Linux Kernel DCCP Memory Disclosure Vulnerability External Source BUGTRAQ 20070329 Re: Re: [Full-disclosure] Linux Kernel DCCP Memory Disclosure Vulnerability External Source BID 23162 External Source SECTRACK 1017820 External Source UBUNTU USN-464-1 External Source VUPEN ADV-2007-1143 External Source XF kernel-dccp-information-disclosure(33274)

Technical Details

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