National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-14646 Detail

Current Description

The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Red Hat, Inc.
Base Score: 5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2018:3651 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3666 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3843 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14646 Issue Tracking Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f428fe4a04cc339166c8bbd489789760de3a0cee Patch Third Party Advisory
https://marc.info/?l=linux-netdev&m=151500466401174&w=2 Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference NIST   Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.14
 cpe:2.3:o:linux:linux_kernel:4.15:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:4.15:rc7:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14646
NVD Published Date:
11/26/2018
NVD Last Modified:
10/09/2019