CVE-2013-1819 Null dereference in n/a
Local attackers can crash the system via a NULL pointer dereference in the XFS filesystem driver by mounting a crafted filesystem.
- 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-2013-1819?
CVE-2013-1819 is a medium-severity vulnerability in Linux kernel, published on 6 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel before 3.7.6 does not validate block numbers, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging the ability to mount an XFS filesystem containing a metadata inode with an invalid extent map.
Weakness: CWE-20
Which versions are affected by CVE-2013-1819?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-1819?
Upgrade to a fixed version.
Is CVE-2013-1819 being exploited?
There is no known exploitation of CVE-2013-1819 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-1819, GHSA-5fpr-g7qq-496f.