Guest-Triggerable Crash in QEMU Virtio PCI Bindings Could Lead to Host Crash

CVE-2024-4693
5.5MEDIUM

Key Information

Vendor
Red Hat
Status
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8 Advanced Virtualization
Vendor
CVE Published:
14 May 2024

Summary

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.

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published.

  • Risk change from: null to: 5.5 - (MEDIUM)

  • Reported to Red Hat.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.