High · published May 28, 2026
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: remove station if connection prep fails
If connection preparation fails for MLO connections, then the
interface is completely reset to non-MLD. In this case, we must
not keep the station since it's related to the link of the vif
being removed. Delete an existing station. Any "new_sta" is
already being removed, so that doesn't need changes.
This fixes a use-after-free/double-free in debugfs if that's
enabled, because a vif going from MLD (and to MLD, but that's
not relevant here) recreates its entire debugfs.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | ≥ 6.0, < 6.1.176 | 6.1.176 |
| linux/linux_kernel | ≥ 6.2, < 6.6.140 | 6.6.140 |
| linux/linux_kernel | ≥ 6.7, < 6.12.88 | 6.12.88 |
| linux/linux_kernel | ≥ 6.13, < 6.18.30 | 6.18.30 |
| linux/linux_kernel | ≥ 6.19, < 7.0.7 | 7.0.7 |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |