In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq Can not set the @shared_hcd to NULL before decrease the usage count by usb_put_hcd(), this will cause the shared hcd not released.
https://git.kernel.org/stable/c/ffb14aac2658873050671198543b9b8194149c14
https://git.kernel.org/stable/c/c8e7463844888dc8344bbb9cbad88cdce9cb8077
https://git.kernel.org/stable/c/05680a91ae60ddd0319e6618456f0883b5dd765d
https://git.kernel.org/stable/c/03a88b0bafbe3f548729d970d8366f48718c9b19