CVE-2017-16528 Use after free in n/a
Local attackers can cause a system crash via a crafted USB device due to a use-after-free in the Linux kernel sound subsystem.
- 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-2017-16528?
CVE-2017-16528 is a medium-severity use after free vulnerability in Canonical Ubuntu Linux, published on 4 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
sound/core/seq_device.c in the Linux kernel before 4.13.4 allows local users to cause a denial of service (snd_rawmidi_dev_seq_free use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device.
Weakness: CWE-416
Which versions are affected by CVE-2017-16528?
It affects 2 products.
Products include Canonical Ubuntu Linux, Linux kernel.
How do I fix CVE-2017-16528?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-16528 being exploited?
There is no known exploitation of CVE-2017-16528 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-16528, GHSA-9vwf-r222-fcvc, UBUNTU-CVE-2017-16528.