CVE-2018-14646

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: [UNKNOWN] kernel:
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:3843 vendor advisory
https://access.redhat.com/errata/RHSA-2018:3666 vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f428fe4a04cc339166c8bbd489789760de3a0cee third party advisory patch
https://access.redhat.com/errata/RHSA-2018:3651 vendor advisory
https://marc.info/?l=linux-netdev&m=151500466401174&w=2 third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14646 issue tracking patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-14646?
CVE-2018-14646 has been scored as a medium severity vulnerability.
How to fix CVE-2018-14646?
To fix CVE-2018-14646, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-14646 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-14646 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-14646?
CVE-2018-14646 affects [UNKNOWN] kernel:.
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