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Vulnerability record · CVE-2014-2523 · published 24 March 2014

CVE-2014-2523: Linux kernel improper input validation vulnerability

Linux · Linux Kernel

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.

10.0 CVSS 2.0 High EPSS 10% · top 4.4% CWE-20 · Improper input validation
10.0CVSS 2.0 base score
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2014-2523), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.