CVE-2024-26725 dpll: fix possible deadlock during netlink dump operation

In the Linux kernel, the following vulnerability has been resolved: dpll: fix possible deadlock during netlink dump operation Recently, I've been hitting following deadlock warning during dpll pin dump: 52804.637962 ====================================================== 52804.638536 WARNING:...

CVE-2024-26725

CVE-2024-26725 affects the Linux kernel. The issue is an ABBA deadlock during netlink pin dump where the code acquires dpll_lock in a genl/ netlink dump path and then re-acquires a second lock via netlink_dump, creating a circular lock dependency. The root cause is the order of lock acquisition w...