CVE-2023-52789 tty: vcc: Add check for kstrdup() in vcc_probe()
A missing check for kstrdup return value in the Linux kernel vcc driver can lead to a NULL pointer dereference and system crash.
- 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-2023-52789?
CVE-2023-52789 is a medium-severity vulnerability in Linux kernel, published on 21 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
tty: vcc: Add check for kstrdup() in vcc_probe()
Add check for the return value of kstrdup() and return the error, if it fails in order to avoid NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2023-52789?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52789?
Apply the vendor's patch.
Is CVE-2023-52789 being exploited?
There is no known exploitation of CVE-2023-52789 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52789, DEBIAN-CVE-2023-52789, GHSA-chwm-xp9x-8vv7, UBUNTU-CVE-2023-52789.