CVE-2018-13094 Null dereference in n/a
A null pointer dereference in the Linux kernel XFS filesystem can cause a system crash when processing a corrupted image.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-13094?
CVE-2018-13094 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 3 Jul 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
Weakness: CWE-476
Which versions are affected by CVE-2018-13094?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2018-13094?
Apply the vendor's patch.
Is CVE-2018-13094 being exploited?
There is no known exploitation of CVE-2018-13094 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-13094, GHSA-c688-2x49-65h9, UBUNTU-CVE-2018-13094.