CVE-2019-19543 Use after free in n/a
A use-after-free in the Linux kernel serial IR driver allows local attackers to execute arbitrary code or escalate privileges.
- 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-2019-19543?
CVE-2019-19543 is a high-severity use after free vulnerability in Linux kernel, 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 5.1.6, there is a use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c.
Weakness: CWE-416
Which versions are affected by CVE-2019-19543?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2019-19543?
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-2019-19543 being exploited?
There is no known exploitation of CVE-2019-19543 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2019-19543, GHSA-m5f9-h82w-xx78, UBUNTU-CVE-2019-19543.