CVE-2026-68409

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: defer link RX stats percpu free to RCU staremovelink frees a removed MLO link's RX stats percpu buffer right away, but defers only the link container to RCU: stainfofreelink&alloc-info; kfreercualloc, rcuhead; The...

CVE-2026-68409

In the Linux kernel, CVE-2026-68409 arises in the mac80211 Wi‑Fi driver when removing an MLO link: the RX stats per-CPU buffer is freed immediately while the link container is deferred to RCU, creating a race where a reader may access freed memory. The root cause is that sta_remove_link frees the...

CVE-2026-68409 wifi: mac80211: defer link RX stats percpu free to RCU

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: defer link RX stats percpu free to RCU staremovelink frees a removed MLO link's RX stats percpu buffer right away, but defers only the link container to RCU: stainfofreelink&alloc-info; kfreercualloc, rcuhead; The...

PT-2026-30172

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free flaw exists in the SPI subsystem during the controller registration failure path. This issue occurs when per-cpu statistics allocation fails, potentially leading to loca...