UNKNOWN NVD
CVE-2026-98971
In the Linux kernel, the following vulnerability has been resolved: gpio: exar: initialize the ID before registering its cleanup devm_add_action_or_reset() in
In the Linux kernel, the following vulnerability has been resolved:
gpio: exar: initialize the ID before registering its cleanup
devm_add_action_or_reset() invokes the cleanup action immediately when
registering the action fails. gpio_exar_probe() currently stores the
allocated ID in exar_gpio only after registering the action, so that
failure makes exar_devm_ida_free() release ID 0. If the allocated ID is
nonzero, this leaks that ID and can free ID 0 belonging to another device.
Store the ID before registering the cleanup action so both the immediate
failure path and normal device teardown release the correct allocation.
References
- https://git.kernel.org/stable/c/01318927a9055136c207399eeb36ce07becac179
- https://git.kernel.org/stable/c/4d69e74034b208588636ecc177e0dd43a7696af3
- https://git.kernel.org/stable/c/b78c114600ae3df90c083c72c290437b068577c8
- https://git.kernel.org/stable/c/bf3d841ef12fcbec4458e2750956b738b043a226
- https://git.kernel.org/stable/c/f7ec4dbd2a073dd53b6349be1c586fe8580dd6b2
This unknown severity vulnerability was published on 2026-10-23 via NVD.
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