SB2023012378 - Denial of service in Linux kernel Intel iSMT SMBus host controller driver
Published: January 23, 2023
Security Bulletin ID
SB2023012378
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-3077)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handles the I2C_SMBUS_BLOCK_PROC_CALL case. A local user can pass specially crafted data via the ioctl I2C_SMBUS call, trigger memory corruption and crash the kernel.
Remediation
Install update from vendor's website.