#VU94528 Operation on a Resource after Expiration or Release in QEMU - CVE-2024-4693
Published: July 18, 2024
Vulnerability identifier: #VU94528
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-4693
CWE-ID: CWE-672
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
QEMU
QEMU
Software vendor:
QEMU
QEMU
Description
The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.
The vulnerability exists due to an improper release and use of the irqfd for vector 0 during the boot process in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). A malicious guest can crash the QUEMU host process via vhost_net_stop().
Remediation
Install updates from vendor's website.