CVE-2025-21812

CVE-2025-21812 concerns AX25 code in the Linux kernel. A lockdep/potential deadlock issue was observed around ax25_setsockopt() where a syzbot thread attempting to acquire rtnl_mutex could deadlock with a thread holding sk_lock-AF_AX25, due to an existing dependency chain involving ax25_setsockop...

DEBIAN-CVE-2025-21684

In the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: Convert gpiolock to raw spinlock irqchip functions may be called in raw spinlock context. Therefore, we must also use a raw spinlock for our own internal locking. This fixes the following lockdep splat: 5.349336...