CVE-2014-2568

2.9 LOW 1% exploit odds Fix listed

What it is

Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 1.0% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-03-24 16:40 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:06 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.0% in the next 30 days (EPSS).
Severity: 2.9 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-03-24 16:40 UTC
Last modified: 2026-06-17 00:06 UTC
Exploit probability: 1.0% · EPSS, next 30 days
Weakness: CWE-416 · Use after free
Record status: Modified

Affected

Linux Kernel ≤ 3.13.6
Canonical Ubuntu Linux 14.04

Attack profile CVSS 2.0 · 2.9

Attack vector: Adjacent network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: None
Availability: None

Raw vector

AV:A/AC:M/Au:N/C:P/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-2568.md and follow it. Check whether this project is affected by CVE-2014-2568. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record