CVE-2022-50247

usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

Published: 9/15/2025 Last updated: 9/15/2025 Reserved: 9/15/2025

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.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (2)

Product	Vendor	Version
Linux	Linux	SRV1M
Linux	Linux	All versions < V1984

References (4)

https://git.kernel.org/stable/c/ffb14aac2658873050671198543b9b8194149c14
https://git.kernel.org/stable/c/05680a91ae60ddd0319e6618456f0883b5dd765d
https://git.kernel.org/stable/c/c8e7463844888dc8344bbb9cbad88cdce9cb8077
https://git.kernel.org/stable/c/03a88b0bafbe3f548729d970d8366f48718c9b19