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.
Published: 2017-12-07
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4073-1 linux security update
Debian DSA Debian DSA DSA-4082-1 linux security update
EUVD EUVD EUVD-2017-8612 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.
Ubuntu USN Ubuntu USN USN-3617-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3617-2 Linux (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3617-3 Linux kernel (Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-3619-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3619-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3620-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3620-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3632-1 Linux kernel (Azure) vulnerabilities
History

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Linux Linux Kernel
Redhat Enterprise Linux Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T20:51:31.383Z

Reserved: 2017-12-06T00:00:00.000Z

Link: CVE-2017-17448

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-12-07T00:29:00.317

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-17448

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-12-03T00:00:00Z

Links: CVE-2017-17448 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses