CVE-2026-64574 | Linux Kernel up to 7.2-rc4 mac80211 debugfs_netdev.c ieee80211_if_read_link private_data use after free

A vulnerability was found in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc4. It has been rated as critical. Impacted is the function ieee80211_if_read_link of the file net/mac80211/debugfs_netdev.c of the component mac80211. Performing a manipulation of the argument private_data results in use after free.

This vulnerability is reported as CVE-2026-64574. The attack is possible to be carried out remotely. No exploit exists.

Upgrading the affected component is advised.