What’s Vulnerable › Vulnerabilities

CVE-2025-21982: pinctrl: nuvoton: npcm8xx: Add NULL check in npcm8xx_gpio_fw

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-01 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: npcm8xx: Add NULL check in npcm8xx_gpio_fw devm_kasprintf() calls can return null pointers on failure. But the return values were not checked in npcm8xx_gpio_fw(). Add NULL check in npcm8xx_gpio_fw(), to handle kernel NULL pointer dereference error.

Affected products

• Linux kernel: from 6.7 before 6.12.20; from 6.13 before 6.13.8; 6.14-rc1, 6.14-rc2, 6.14-rc3, 6.14-rc4, 6.14-rc5, 6.14-rc6 — fixed in 6.12.20, 6.13.8

How to fix

Upgrade to a fixed version: Linux kernel 6.12.20, 6.13.8. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6a08a86e5aff8e65368ccd463348fdda26100821
• https://git.kernel.org/stable/c/a585f6ea42ec259a9a57e3e2580fa527c92187d0
• https://git.kernel.org/stable/c/acf40ab42799e4ae1397ee6f5c5941092d66f999

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