SB2024060548 - Buffer overflow in Linux kernel i2c busses driver
Published: June 5, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-47561)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the virtio_i2c_prepare_reqs(), virtio_i2c_complete_reqs() and virtio_i2c_xfer() functions in drivers/i2c/busses/i2c-virtio.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.