Unrated severityNVD Advisory· Published Jul 18, 2011· Updated Jun 16, 2026
CVE-2011-1093
CVE-2011-1093
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:o:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:5.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
8- openwall.com/lists/oss-security/2011/03/08/19nvdMailing ListPatchThird Party Advisory
- openwall.com/lists/oss-security/2011/03/08/4nvdMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- downloads.avaya.com/css/P8/documents/100145416nvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2011-0833.htmlnvdThird Party Advisory
- www.securityfocus.com/bid/46793nvdThird Party AdvisoryVDB Entry
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38nvdBroken Link
- git.kernel.orgnvd
News mentions
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