SB20260123115 - Improper locking in Linux kernel gpio driver
Published: January 23, 2026
Security Bulletin ID
SB20260123115
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) Improper locking (CVE-ID: CVE-2025-71158)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the gpio_mpsse_get_direction(), gpio_mpsse_set_irq_type(), gpio_mpsse_probe() and gpio_mpsse_disconnect() functions in drivers/gpio/gpio-mpsse.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.