wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower

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DEBIAN-CVE-2024-50237

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: do not pass a stopped vif to the driver in .gettxpower Avoid potentially crashing in the driver because of uninitialized private data...

PT-2024-34068

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.61 Description: The issue concerns the Linux kernel, specifically the wifi mac80211 component. It involves not passing a stopped vif to the driver in the get txpower function to avoid potentially crashing th...