SB2024060842 - Information disclosure in Linux kernel tty serial driver
Published: June 8, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-47524)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the liteuart_probe() function in drivers/tty/serial/liteuart.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.