CVE-2023-31364

CVE-2023-31364 involves improper handling of direct memory writes in the IOMMU. A malicious guest VM could flood the host with writes, potentially triggering a fatal machine check error (MCE) and denial of service. Connected details indicate an AMD-specific risk vector where guest VMs may flood t...

Kernel: KVM: DoS via write flood to I/O port 0x80

Linux kernel Virtualization Module CONFIGKVM for the Intel processor family CONFIGKVMINTEL is vulnerable to a DoS issue. It could occur if a guest was to flood the I/O port 0x80 with write requests. A guest user could use this flaw to crash the host kernel resulting in DoS...