CVE Database


Impact: Important
Public: 2014-01-06
Bugzilla: 1077343: CVE-2014-2523 kernel: netfilter: nf_conntrack_dccp: incorrect skb_header_pointer API usages


The MITRE CVE dictionary describes this issue as:

net/netfilter/nf_conntrack_proto_dccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a DCCP packet that triggers a call to the (1) dccp_new, (2) dccp_packet, or (3) dccp_error function.

Find out more about CVE-2014-2523 from the MITRE CVE dictionary and NIST NVD.


This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5.

CVSS v2 metrics

Base Score: 7.6
Base Metrics: AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector: Network
Access Complexity: High
Authentication: None
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0439 April 28, 2014
Red Hat Enterprise Linux AUS (v. 6.2 server) (kernel) RHSA-2014:0520 May 20, 2014
Red Hat Enterprise Linux Server EUS (v. 6.3) (kernel) RHSA-2014:0593 June 03, 2014
Red Hat Enterprise Linux Server EUS (v. 6.4) (kernel) RHSA-2014:0634 June 04, 2014
Red Hat Enterprise Linux version 6 (kernel) RHSA-2014:0475 May 07, 2014

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.