CVE-2026-92482

pinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip

N/A
Published: September 17, 2026 at 04:09 PM UTC
Updated: October 30, 2026 at 01:20 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip The gpio_chip is allocated with device-managed memory but registered with the non-managed gpiochip_add_data(). This was harmless while the drivers were built-in, but once they can be built as modules and unbound/rmmod'd, devm frees the gpio_chip's memory while it is still registered, causing a use-after-free. Register it with devm_gpiochip_add_data() so it shares the same device-managed lifecycle, which also lets the manual gpiochip_remove() error paths go away.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.1a6df410d420aa4ff316797d352f69e7ebae5ff98
Vendor states this is fixed in 9c650317ba553d297f3fc5f0ae40ec53d86f9dab (fixed)
Vendor states this is fixed in b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b (fixed)
Vendor states this is fixed in 4.1 (unaffected)
Vendor states this is fixed in 6.12.114 (unaffected)
Vendor states this is fixed in 6.18.57 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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