CVE-2022-3077 Memory corruption in kernel
A local attacker can crash the system via a buffer overflow in the Intel iSMT SMBus host controller driver.
- 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-2022-3077?
CVE-2022-3077 is a medium-severity memory corruption vulnerability in Linux kernel, published on 9 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.
Weakness: CWE-120
Which versions are affected by CVE-2022-3077?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-3077?
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-2022-3077 being exploited?
There is no known exploitation of CVE-2022-3077 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-10923, AZL-110409, DEBIAN-CVE-2022-3077, GHSA-xm6c-5wr3-4phj, UBUNTU-CVE-2022-3077.