CVE-2015-0275 Denial of service in n/a
Local attackers can cause a kernel denial of service via a crafted fallocate zero-range request in the ext4 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-2015-0275?
CVE-2015-0275 is a medium-severity denial of service vulnerability in Linux kernel, published on 19 Oct 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The ext4_zero_range function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service (BUG) via a crafted fallocate zero-range request.
Weakness: CWE-17
Which versions are affected by CVE-2015-0275?
It affects 2 products.
Products include Linux kernel, Oracle Linux.
How do I fix CVE-2015-0275?
Upgrade to a fixed version.
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-2015-0275 being exploited?
There is no known exploitation of CVE-2015-0275 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2015-0275, GHSA-79v7-mfgp-365f, UBUNTU-CVE-2015-0275.