CVE-2026-68408

The CVE affects the Linux kernel cfg80211/pmsr handling in wifi: the deadlock occurred when a PMSR session was closed during device teardown: wdev_down held wiphy_lock, while pmsr_free_wk waited to acquire the same lock via cancel_work_sync. The fix converts pmsr_free_wk from a plain work_struct ...

CVE-2026-68408 wifi: cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: convert pmsrfreewk to wiphywork to fix deadlock When a netlink socket that owns a PMSR session is closed, cfg80211releasepmsr clears the request's nlportid and queues pmsrfreewk to call cfg80211pmsrprocessabort...

Linux Distros Unpatched Vulnerability : CVE-2026-31548

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request...