CVE-2022-3077: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 5.11, before 5.19 (fixed in 5.19)

Published 2022-09-09. Last modified 2026-06-17.