CVE-2018-12928 Null dereference in n/a
A NULL pointer dereference in the Linux kernel HFS driver allows local attackers to cause a denial of service via a crafted filesystem mount.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-12928?
CVE-2018-12928 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 28 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.
Weakness: CWE-476
Which versions are affected by CVE-2018-12928?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2018-12928?
Apply the vendor's patch.
Is CVE-2018-12928 being exploited?
There is no known exploitation of CVE-2018-12928 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-12928, GHSA-v3q7-v865-v6vx, ROOT-OS-DEBIAN-12-CVE-2018-12928, ROOT-OS-DEBIAN-13-CVE-2018-12928, ROOT-OS-UBUNTU-2204-CVE-2018-12928, ROOT-OS-UBUNTU-2404-CVE-2018-12928 and 1 more.