What’s Vulnerable › Vulnerabilities

CVE-2023-52512: pinctrl: nuvoton: wpcm450: fix out of bounds write

• 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: 2024-03-02 · updated 2026-06-17
• Weakness: CWE-787

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: wpcm450: fix out of bounds write Write into 'pctrl->gpio_bank' happens before the check for GPIO index validity, so out of bounds write may happen. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected products

• Linux kernel: from 5.18 before 6.1.59; from 6.2 before 6.5.8; 6.6-rc1, 6.6-rc2, 6.6-rc3, 6.6-rc4, 6.6-rc5 — fixed in 6.1.59, 6.5.8

How to fix

Upgrade to a fixed version: Linux kernel 6.1.59, 6.5.8. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6c18c386fd13dbb3ff31a1086dabb526780d9bda
• https://git.kernel.org/stable/c/87d315a34133edcb29c4cadbf196ec6c30dfd47b
• https://git.kernel.org/stable/c/c9d7cac0fd27c74dd368e80dc4b5d0f9f2e13cf8
• https://git.kernel.org/stable/c/6c18c386fd13dbb3ff31a1086dabb526780d9bda
• https://git.kernel.org/stable/c/87d315a34133edcb29c4cadbf196ec6c30dfd47b
• https://git.kernel.org/stable/c/c9d7cac0fd27c74dd368e80dc4b5d0f9f2e13cf8

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