The vulnerability of the irqfd_wakeup() function in Linux kernel-based Xen drivers allows a hacker to trigger a service failure.

The vulnerability of the irqfdwakeup function in Xen kernel-based Linux operating system drivers is related to insufficient resource locking. Exploiting this vulnerability can allow an attacker to trigger a service failure...

PT-2024-31325

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.50 Description The issue is related to a deadlock that occurs when irqfd wakeup gets EPOLLHUP and is called by eventfd release through wake up poll&ctx-wqh, EPOLLHUP, which is called under spin lock irqsave...