CVE-2026-23120 l2tp: avoid one data-race in l2tp_tunnel_del_work()

In the Linux kernel, the following vulnerability has been resolved: l2tp: avoid one data-race in l2tptunneldelwork We should read sk-sksocket only when dealing with kernel sockets. syzbot reported the following data-race: BUG: KCSAN: data-race in l2tptunneldelwork / skcommonrelease write to...

UBUNTU-CVE-2022-50764

In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: use DEVSTATSINC to avoid data-races syzbot/KCSAN reported that multiple cpus are updating dev-stats.txerror concurrently. This is because sit tunnels are NETIFFLLTX, meaning their ndostartxmit is not protected by a...

kernel: l2tp: Race condition between pppol2tp_session_create() and l2tp_eth_create()

A race condition between pppol2tpsessioncreate and l2tpethcreate in net/l2tp/l2tpnetlink.c was found in the Linux kernel. Calling l2tptunnelfind may result in a new tunnel being created with tunnel id of a previously removed tunnel which wouldn't be protected by the reference counter...