The vulnerability of the io_ring_buffer_select() function in the io_uring component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the ioringbufferselect function in the iouring component of the Linux operating system is related to the dereferencing of a NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

Kernel: KVM: OOB memory access via mmio ring buffer

An out-of-bounds access issue was found in the way Linux kernel's KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvmcoalescedmmio' object, wherein write indices 'ring-first' and 'ring-last' value could be supplied by a host user-space...