CVEvulnerability
CVE-2011-1093
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2011-07-18
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-476
Description
The dccp_rcv_state_process function in net/dccp/input.c in the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel before 2.6.38 does not properly handle packets for a CLOSED endpoint, which allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending a DCCP-Close packet followed by a DCCP-Reset packet.
Affected configurations
• linux linux kernel (< 2.6.38)
• redhat enterprise linux aus 5.6
• redhat enterprise linux desktop 5.0
• redhat enterprise linux eus 5.6
• redhat enterprise linux server 5.0
• redhat enterprise linux workstation 5.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://downloads.avaya.com/css/P8/documents/100145416 Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=720dc34bbbe9493c7bd48b2243058b4e447a929d git.kernel.org
- http://openwall.com/lists/oss-security/2011/03/08/19 Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/03/08/4 Mailing List, Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-0833.html Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 Broken Link
- http://www.securityfocus.com/bid/46793 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=682954 Issue Tracking, Patch, Third Party Advisory
- http://downloads.avaya.com/css/P8/documents/100145416 Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=720dc34bbbe9493c7bd48b2243058b4e447a929d git.kernel.org
- http://openwall.com/lists/oss-security/2011/03/08/19 Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/03/08/4 Mailing List, Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-0833.html Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 Broken Link
- http://www.securityfocus.com/bid/46793 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=682954 Issue Tracking, Patch, Third Party Advisory