CVE-2019-19523 Use after free in n/a
A malicious USB device can trigger a use-after-free in the adutux driver, potentially allowing local attackers to execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-19523?
CVE-2019-19523 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 3 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel before 5.3.7, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/adutux.c driver, aka CID-44efc269db79.
Weakness: CWE-416
Which versions are affected by CVE-2019-19523?
It affects 3 products.
Products include Debian Debian Linux, Linux kernel, Opensuse Leap.
How do I fix CVE-2019-19523?
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-2019-19523 being exploited?
There is no known exploitation of CVE-2019-19523 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-19523, GHSA-cx92-wgvf-9758, UBUNTU-CVE-2019-19523.