CVE-2014-2523

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.

• CWE-20

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
• http://secunia.com/advisories/57446Third Party Advisory
• http://twitter.com/grsecurity/statuses/445496197399461888Broken Link
• http://www.openwall.com/lists/oss-security/2014/03/17/7Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/66279Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1029945Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2173-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2174-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1077343Issue Tracking, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/91910Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92Patch, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
• http://secunia.com/advisories/57446Third Party Advisory
• http://twitter.com/grsecurity/statuses/445496197399461888Broken Link
• http://www.openwall.com/lists/oss-security/2014/03/17/7Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/66279Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1029945Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2173-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2174-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1077343Issue Tracking, Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/91910Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92Patch, Third Party Advisory

Published

Mar 24, 2014

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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