CVE-2024-4693 Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash

2024-05-1012:57:41

CWE-672

redhat

github.com

qemu

virtio pci

improper release

guest triggerable crash

vhost net stop

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.6

Confidence

High

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). An improper release and use of the irqfd for vector 0 during the boot process leads to a guest triggerable crash via vhost_net_stop(). This flaw allows a malicious guest to crash the QEMU process on the host.