CVE-2017-17448

Name: CVE-2017-17448
Creator: NVD / NIST
Published: 2017-12-07T00:29:00.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.37%

Last modified Jun 17, 2026

CVE-2017-17448 is a vulnerability of currently unknown severity. net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.

Metrics

EPSS Probability

0.37%

29.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.14.4

References

Timeline

Published: Dec 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17448?

How severe is CVE-2017-17448?

Severity scoring for CVE-2017-17448 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17448?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17448?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST