CVE-2018-13094 Null dereference in n/a

Medium 5.5 Published Updated

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.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-13094, GHSA-c688-2x49-65h9, UBUNTU-CVE-2018-13094.

Is CVE-2018-13094 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free