CVE-2018-12928: Null Pointer Dereference
Published Jun 28, 2018
·Updated
In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfsextreadextent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.
Affected Software
2 affected components
Linux Linux kernel=4.15
Canonical Ubuntu Linux=16.04.4
Event History
Jun 28, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2018-12928?
CVE-2018-12928 is rated as a medium severity vulnerability due to its potential to cause denial of service.
2
How do I fix CVE-2018-12928?
To fix CVE-2018-12928, update the Linux kernel to a version that addresses this vulnerability.
3
Which systems are affected by CVE-2018-12928?
CVE-2018-12928 affects the Linux kernel version 4.15.0 and Ubuntu Linux 16.04.4.
4
What is the impact of CVE-2018-12928?
The impact of CVE-2018-12928 is a potential system crash due to a NULL pointer dereference.
5
How can I determine if my system is vulnerable to CVE-2018-12928?
You can determine if your system is vulnerable to CVE-2018-12928 by checking if you are running Linux kernel version 4.15.0.