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CVE-2026-99257

NONE Gepubliceerd:

Beschrijving NL

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

gpio: shared: gracefully handle no-device lookup of shared GPIOs

We use platform lookup tables for shared GPIOs. This mechanism needs a
struct device to work so fwnode-based lookup with no device associated
currently causes a NULL-pointer deference. Adding this functionality will require a larger rework and it has never
worked anyway so add a check that allows the kernel to gracefully handle
this situation with an error ahead of implementing that functionality as
a new feature.

Origineel (Engels) tonen

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

gpio: shared: gracefully handle no-device lookup of shared GPIOs

We use platform lookup tables for shared GPIOs. This mechanism needs a
struct device to work so fwnode-based lookup with no device associated
currently causes a NULL-pointer deference.

Adding this functionality will require a larger rework and it has never
worked anyway so add a check that allows the kernel to gracefully handle
this situation with an error ahead of implementing that functionality as
a new feature.

References