Operation on a Resource after Expiration or Release Affecting qemu package, versions <1:8.2.2+ds-0ubuntu1.4


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-UBUNTU2404-QEMU-6836505
  • published11 Nov 2024
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2024-4693  (opens in a new tab)
CWE-672  (opens in a new tab)

How to fix?

Upgrade Ubuntu:24.04 qemu to version 1:8.2.2+ds-0ubuntu1.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 relevant fixed versions and status.

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 Scores

version 3.1