What is CVE-2014-2523?

CVE-2014-2523 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2014-2523 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2014-2523?

CVE-2014-2523 has a CVSS score of 10.0 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2014-2523?

No patch is currently available for CVE-2014-2523. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2014-2523 actively exploited?

CVE-2014-2523 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2014-2523

High

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.

Package Linux Kernel

Published 2014-03-24

Last modified 2026-05-06

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

10.0

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-20

CVE-2014-2523 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2014-2523 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Secunia
http://secunia.com/advisories/57446

Third Party Advisory
Twitter
http://twitter.com/grsecurity/statuses/445496197399461888

Broken Link
Securityfocus
http://www.securityfocus.com/bid/66279

Third Party Advisory VDB Entry
Securitytracker
http://www.securitytracker.com/id/1029945

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/USN-2173-1

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2174-1

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1077343

Issue Tracking Third Party Advisory
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/91910

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2014/03/17/7
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/b22f5126a24b3b2f15448c3f2a254fc10cbc2b92
Patch

Details

CVE ID CVE-2014-2523

Severity High

CVSS score 10.0 / 10

CVSS version 2.0

Published 2014-03-24

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2014-2523?

CVE-2014-2523 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2014-2523 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2014-2523?

CVE-2014-2523 has a CVSS score of 10.0 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2014-2523?

No patch is currently available for CVE-2014-2523. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2014-2523 actively exploited?

No — CVE-2014-2523 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →