CVE-2026-98699 wifi: mac80211: fix mesh fast xmit path deletion UAF

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix mesh fast xmit path deletion UAF meshfasttxcache stores raw meshpath pointers. Path deletion flushes the cache and then frees the path with kfreercu, but a lookup that already holds the path can insert a new...

CVE-2026-98699

The Linux kernel contains a Use-After-Free (UAF) vulnerability in the wifi: mac80211 component related to the mesh fast xmit path . The issue occurs because mesh_fast_tx_cache() stores raw mesh_path pointers; while path deletion flushes the cache and frees the path via kfree_rcu() , a concurrent ...

CVE-2026-98699

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix mesh fast xmit path deletion UAF meshfasttxcache stores raw meshpath pointers. Path deletion flushes the cache and then frees the path with kfreercu, but a lookup that already holds the path can insert a new...