UBUNTU-CVE-2026-23440

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN Extended Sequence Number wrap event to the driver. The driver validates this event by querying the IPSec ASO and checking...

CVE-2026-23440 net/mlx5e: Fix race condition during IPSec ESN update

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN Extended Sequence Number wrap event to the driver. The driver validates this event by querying the IPSec ASO and checking...

CVE-2026-23440

CVE-2026-23440 is a Linux kernel vulnerability in the net/mlx5e IPSec ESN update path. A race condition could cause the ESN wrap event to be processed twice: after validating the event, the driver updates the kernel xfrm state and the lock is temporarily released, risking incorrect ESN high-order...