In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7915: unwind state on add_interface failure
When mt76_wcid_alloc() fails, mt7915_add_interface() returned without
clearing the vif_mask/omac_mask bits it had already set, without removing
the firmware dev info added earlier, and without clearing a monitor_vif
pointer to the vif mac80211 is about to free. mac80211 does not call
remove_interface() for a failed add, so the indices and firmware dev
entry leaked permanently and testmode could dereference the stale
monitor_vif. Add a proper error unwind.
References 4
https://git.kernel.org/stable/c/218fdf0fcb796b8d281dbdd4a6144c5a8fc7fd0f
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2fb6480c52f611338e1b0abe5e6219be1fc9ab75
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/507eddb8175a67df5086354b92d6a4fd7f6f1f96
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/71bf9de2ab3fb2c54bedb0b4c9b468d2e1d55280
416baaa9-dc9f-4396-8d5f-8c081fb06d67