CVE-2024-43884 Bluetooth: MGMT: Add error handling to pair_device()
A missing NULL check in the Linux kernel Bluetooth management code allows attackers to cause a system crash via denial of service.
- 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-2024-43884?
CVE-2024-43884 is a medium-severity vulnerability in Linux kernel, published on 26 Aug 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:
Bluetooth: MGMT: Add error handling to pair_device()
hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash.
Fixed by adding error handling in the function.
Weakness: CWE-476
Which versions are affected by CVE-2024-43884?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-43884?
Apply the vendor's patch.
Is CVE-2024-43884 being exploited?
There is no known exploitation of CVE-2024-43884 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-48197, AZL-48267, BELL-CVE-2024-43884, DEBIAN-CVE-2024-43884, GHSA-f2jj-rmrg-9rjx, UBUNTU-CVE-2024-43884.