CVE-2019-19525 Use after free in n/a
A malicious USB device can trigger a use-after-free in the atusb driver, potentially allowing code execution or privilege escalation.
- 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-2019-19525?
CVE-2019-19525 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 5.3.6, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/ieee802154/atusb.c driver, aka CID-7fd25e6fc035.
Weakness: CWE-416
Which versions are affected by CVE-2019-19525?
It affects 3 products.
Products include Debian Debian Linux, Linux kernel, Opensuse Leap.
How do I fix CVE-2019-19525?
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-2019-19525 being exploited?
There is no known exploitation of CVE-2019-19525 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-19525, GHSA-fjpq-cr7w-5v53, UBUNTU-CVE-2019-19525.