CVE-2024-44995
Description
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.
How to fix
- linux linux_kernel5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.15 ≤ v < 5.4.283, 5.5 ≤ v < 5.10.225, 5.11 ≤ v < 5.15.166, 5.16 ≤ v < 6.1.107, 6.2 ≤ v < 6.6.48, 6.7 ≤ v < 6.10.7, 6.11 | 5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7 |
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