CVE-2011-1675 Denial of service in n/a

Low 3.3 Published 10 Apr 2011 Updated 6 Aug 2024

Local attackers can corrupt /etc/mtab by exploiting resource limit checks in mount, causing system instability or denial of service.

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-2011-1675?

CVE-2011-1675 is a low-severity denial of service vulnerability in n/a, published on 10 Apr 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mount in util-linux 2.19 and earlier attempts to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

Weakness: CWE-399

Which versions are affected by CVE-2011-1675?

It affects 1 product.

Products include Linux Util-Linux.

How do I fix CVE-2011-1675?

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-2011-1675 being exploited?

There is no known exploitation of CVE-2011-1675 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-1675, GHSA-rjp4-x6wp-r79j.