CVE-2015-0275 Denial of service in n/a

Medium 4.9 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-0275, GHSA-79v7-mfgp-365f, UBUNTU-CVE-2015-0275.

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