CVE-2013-2015 Denial of service in n/a
A local attacker can cause a system hang by inserting a crafted filesystem on removable media into a Linux kernel with non-journal ext4.
- 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-2013-2015?
CVE-2013-2015 is a medium-severity denial of service vulnerability in Linux kernel, published on 29 Apr 2013. 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
The ext4_orphan_del function in fs/ext4/namei.c in the Linux kernel before 3.7.3 does not properly handle orphan-list entries for non-journal filesystems, which allows physically proximate attackers to cause a denial of service (system hang) via a crafted filesystem on removable media, as demonstrated by the e2fsprogs tests/f_orphan_extents_inode/image.gz test.
Weakness: CWE-399
Which versions are affected by CVE-2013-2015?
It affects 3 products.
Products include Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Mrg.
How do I fix CVE-2013-2015?
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-2013-2015 being exploited?
There is no known exploitation of CVE-2013-2015 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-2015, GHSA-wpvr-2qhr-52v2.