SB2026021903 - Resource management error in Linux kernel gpio driver



SB2026021903 - Resource management error in Linux kernel gpio driver

Published: February 19, 2026

Security Bulletin ID SB2026021903
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource management error (CVE-ID: CVE-2026-23218)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the loongson_gpio_init_irqchip() function in drivers/gpio/gpio-loongson-64bit.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.