CVE-2022-34494 Use after free in n/a
A double free vulnerability in the Linux kernel's rpmsg virtio driver allows attackers to potentially 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-2022-34494?
CVE-2022-34494 is a medium-severity use after free vulnerability in Linux kernel, published on 26 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.
Weakness: CWE-415
Which versions are affected by CVE-2022-34494?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-34494?
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-2022-34494 being exploited?
There is no known exploitation of CVE-2022-34494 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as A-238479990, AZL-9986, DEBIAN-CVE-2022-34494, GHSA-93x7-vvj8-98xr, PUB-A-238479990, UBUNTU-CVE-2022-34494.