CVE-2022-2873 Memory corruption in Kernel
A local attacker can crash the system via out-of-bounds memory access in the Intel iSMT SMBus driver using malicious I2C input.
- 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-2022-2873?
CVE-2022-2873 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 22 Aug 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 memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.
Weakness: CWE-131
Which versions are affected by CVE-2022-2873?
It affects 9 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 3 more.
How do I fix CVE-2022-2873?
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-2022-2873 being exploited?
There is no known exploitation of CVE-2022-2873 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-10617, DEBIAN-CVE-2022-2873, GHSA-76j2-hf4j-xjhq, UBUNTU-CVE-2022-2873.