CVE-2018-10323 Null dereference in n/a
Local attackers can cause a denial of service via a crafted XFS image due to a NULL pointer dereference in the Linux kernel.
- 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-2018-10323?
CVE-2018-10323 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 24 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.
Weakness: CWE-476
Which versions are affected by CVE-2018-10323?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.
How do I fix CVE-2018-10323?
Apply the vendor's patch.
Is CVE-2018-10323 being exploited?
There is no known exploitation of CVE-2018-10323 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-10323, GHSA-jmph-q368-7ww2, UBUNTU-CVE-2018-10323, USN-4486-1.