Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU 7.1.0 through 8.2.1. The registervfs function in hw/pci/pciesriov.c mishandles the situation where a guest writes a number of Virtual File Systems NumVFs that is greater than the total number of Virtual File Systems TotalVFs, resulting in a buffer overflow in VF...

qemu-kvm: pcie: improper validation of NumVFs leads to buffer overflow

A flaw was found in the SR/IOV emulation support of QEMU. The registervfs function in hw/pci/pciesriov.c mishandled the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF Virtual Function implementations. This flaw allows a malicious guest to crash QEM...