CVE-2018-10880 Memory corruption in kernel
A stack-out-of-bounds write in the Linux kernel ext4 filesystem allows attackers to cause a system crash and denial of service via a crafted image.
- 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-2018-10880?
CVE-2018-10880 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 25 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.
Weakness: CWE-787
Which versions are affected by CVE-2018-10880?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2018-10880?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-10880 being exploited?
There is no known exploitation of CVE-2018-10880 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-10880, GHSA-3xm5-vf98-cwqx, UBUNTU-CVE-2018-10880.