CVE-2022-3170 Memory corruption in kernel
A privileged local user can trigger an out-of-bounds access in the Linux kernel sound subsystem via ioctl, causing a crash or privilege escalation.
- 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-2022-3170?
CVE-2022-3170 is a high-severity memory corruption vulnerability in Linux kernel, published on 13 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An out-of-bounds access issue was found in the Linux kernel sound subsystem. It could occur when the 'id->name' provided by the user did not end with '\0'. A privileged local user could pass a specially crafted name through ioctl() interface and crash the system or potentially escalate their privileges on the system.
Weakness: CWE-125
Which versions are affected by CVE-2022-3170?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-3170?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-3170 being exploited?
There is no known exploitation of CVE-2022-3170 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-10924, GHSA-rj8g-9xvh-crrr.