SB2025012144 - Memory leak in Linux kernel gpio driver
Published: January 21, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025012144
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) Memory leak (CVE-ID: CVE-2025-21661)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the gpio_virtuser_make_lookup_table(), gpio_virtuser_device_activate() and gpio_virtuser_device_deactivate() functions in drivers/gpio/gpio-virtuser.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.