CVE-2018-13098 Denial of service in n/a
A local attacker can cause a denial of service via a crafted f2fs filesystem image triggering a slab out-of-bounds read in the Linux kernel.
- 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-2018-13098?
CVE-2018-13098 is a medium-severity denial of service vulnerability in Linux kernel, 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/f2fs/inode.c in the Linux kernel through 4.17.3. A denial of service (slab out-of-bounds read and BUG) can occur for a modified f2fs filesystem image in which FI_EXTRA_ATTR is set in an inode.
Weakness: CWE-125
Which versions are affected by CVE-2018-13098?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2018-13098?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-13098 being exploited?
There is no known exploitation of CVE-2018-13098 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2018-13098, GHSA-wvrw-3q4m-69ch, UBUNTU-CVE-2018-13098.