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.
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
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

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

Link: CVE-2017-17448

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

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

Modified: 2025-04-20T01:37:25.860

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.