CVE-2025-39960

HighCVSS 7.8/10Last modified Oct 19, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

gpiolib: acpi: initialize acpi_gpio_info struct

Since commit 7c010d463372 ("gpiolib: acpi: Make sure we fill struct acpi_gpio_info"), uninitialized acpi_gpio_info struct are passed to __acpi_find_gpio() and later in the call stack info->quirks is used in acpi_populate_gpio_lookup. This breaks the i2c_hid_cpi driver:

[ 58.122916] i2c_hid_acpi i2c-UNIW0001:00: HID over i2c has not been provided an Int IRQ [ 58.123097] i2c_hid_acpi i2c-UNIW0001:00: probe with driver i2c_hid_acpi failed with error -22

Fix this by initializing the acpi_gpio_info pass to __acpi_find_gpio()

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
LinuxLinux>= 7c010d463372140006bf96985a306d6cbfc6e118, < 27d94a2a52cbb54927c0140bd5b978c56e9a283a; >= 7c010d463372140006bf96985a306d6cbfc6e118, < 19c839a98c731169f06d32e7c9e00c78a0086ebe
LinuxLinux6.16

References

Timeline

Published
Oct 9, 2025
Last modified
Oct 19, 2026
NVD status
Modified

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CVE-2025-39960: High severity, CVSS 7.8 | Vulnix