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

ASoC: codecs: simple-mux: Fix enum control bounds check

simple_mux_control_put() rejects values greater than e->items, but
enum control values are zero based. For the two-entry mux used by this
driver, valid values are 0 and 1, so value 2 must be rejected as well.

Accepting e->items can store an invalid mux state, pass it to the GPIO
setter, and pass it on to the DAPM mux update path where it is used as
an index into the enum text array.

Use the same >= e->items check used by the ASoC enum helpers.

https://git.kernel.org/stable/c/05ef77f02607a3dc5d7f9762cb990f76843315d4

https://git.kernel.org/stable/c/164dcbec9632ca93ae313e6da6e4e05584fa0f02

https://git.kernel.org/stable/c/2ff3ac6f7664fe5639cad01712ac5e021fa7939c

https://git.kernel.org/stable/c/5fe860af8630cf7c78523cbd68e5a234743585aa

https://git.kernel.org/stable/c/6fb653b62f169f6050fac45b56bf21ad097e19f6

https://git.kernel.org/stable/c/d8cc3e747b002a8b965c529de79c0654675b9a1a

https://git.kernel.org/stable/c/f63ad68e18d774a5d15cd7e405ead63f6b322679

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