CVE-2022-26878 Denial of service in n/a
A memory leak in the Linux kernel's virtio Bluetooth driver allows attackers to exhaust system memory, causing a 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-2022-26878?
CVE-2022-26878 is a medium-severity denial of service vulnerability in Linux kernel, published on 11 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).
Weakness: CWE-401
Which versions are affected by CVE-2022-26878?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-26878?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-26878 being exploited?
There is no known exploitation of CVE-2022-26878 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-9066, DEBIAN-CVE-2022-26878, GHSA-7rp6-p829-5x6w, UBUNTU-CVE-2022-26878.