CVE-2017-17448

7.8 HIGH
Published: December 07, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/102117
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://patchwork.kernel.org/patch/10089373/
Source: cve@mitre.org
Patch Vendor Advisory
https://usn.ubuntu.com/3617-1/
Source: cve@mitre.org
https://usn.ubuntu.com/3617-2/
Source: cve@mitre.org
https://usn.ubuntu.com/3617-3/
Source: cve@mitre.org
https://usn.ubuntu.com/3619-1/
Source: cve@mitre.org
https://usn.ubuntu.com/3619-2/
Source: cve@mitre.org
https://usn.ubuntu.com/3620-1/
Source: cve@mitre.org
https://usn.ubuntu.com/3620-2/
Source: cve@mitre.org
https://usn.ubuntu.com/3632-1/
Source: cve@mitre.org
http://www.securityfocus.com/bid/102117
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:0654
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2018:0676
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2018:1062
Source: af854a3a-2127-422b-91ae-364da2661108
https://patchwork.kernel.org/patch/10089373/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://usn.ubuntu.com/3617-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3617-2/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3617-3/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3619-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3619-2/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3620-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3620-2/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3632-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.debian.org/security/2017/dsa-4073
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.debian.org/security/2018/dsa-4082
Source: af854a3a-2127-422b-91ae-364da2661108

30 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.1%
21th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux