CVE-2024-44995

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix a deadlock problem when config TC during resetting When config TC during the reset process, may cause a deadlock, the flow is as below: pf reset start │ ▼ … setup tc │ │ ▼ ▼ DOWN: napi_disable() napi_disable()(skip) │ │ │ ▼ ▼ … … │ │ ▼ │ napi_enable() │ ▼ UINIT: netif_napi_del() │ ▼ … │ ▼ INIT: netif_napi_add() │ ▼ … global reset start │ │ ▼ ▼ UP: napi_enable()(skip) … │ │ ▼ ▼ … napi_disable() In reset process, the driver will DOWN the port and then UINIT, in this case, the setup tc process will UP the port before UINIT, so cause the problem. Adds a DOWN process in UINIT to fix it.