CVE-2024-47748

A use-after-free flaw was found in drivers/vhost/vdpa.c in the Linux kernel...

CVE-2024-47748 vhost_vdpa: assign irq bypass producer token correctly

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer in vhostvdpasetupvqirq which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the...

CVE-2024-47748

CVE-2024-47748: Linux kernel vhost_vdpa code fixes an irq bypass producer token life-cycle bug. The token formerly registered in vhost_vdpa_setup_vq_irq() could outlive the eventfd_ctx, risking use-after-free when the eventfd is released. The patch binds the token lifecycle to VHOST_SET_VRING_CAL...