# CVE-2024-4693: qemu-block-extra: A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c).An improper release and use of the irqfd fo...

CVE-2024-4693 is fixed in 24 products on 1 platform, first by DEBIAN-CVE-2024-4693, released May 14, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-4693
- Priority: Routine
- CVSS: 5.5 (Medium)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 14, 2024

## Description

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 bootprocess leads to a guest triggerable crash via vhost_net_stop(). This flawallows a malicious guest to crash the QEMU process on the host.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | qemu Debian 13.5 (trixie) | 1:8.2.3+ds-1 | [DEBIAN-CVE-2024-4693](https://patchblox.com/security/data/fix/linux/debian-cve-2024-4693.md) | May 14, 2024 |
| Linux | qemu Debian 14 | 1:8.2.3+ds-1 | [DEBIAN-CVE-2024-4693](https://patchblox.com/security/data/fix/linux/debian-cve-2024-4693.md) | May 14, 2024 |
| Linux | qemu opensuse-leap 15.6 | 8.2.7-150600.3.20.1 | [SUSE-SU-2024:4094-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4094-1.md) | Nov 28, 2024 |
| Linux | qemu sles 15.6 | 8.2.7-150600.3.20.1 | [SUSE-SU-2024:4094-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4094-1.md) | Nov 28, 2024 |
| Linux | qemu-block-extra Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-block-extra 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-extra-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-block-extra Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-block-extra 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-block-extra-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-block-supplemental Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-block-supplemental 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-supplemental-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-block-supplemental Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-block-supplemental 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-block-supplemental-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-guest-agent Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-guest-agent 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-guest-agent-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-guest-agent Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-guest-agent 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-guest-agent-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-linux-user opensuse-leap 15.6 | 8.2.7-150600.3.20.1 | [SUSE-SU-2024:4094-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4094-1.md) | Nov 28, 2024 |
| Linux | qemu-linux-user sles 15.6 | 8.2.7-150600.3.20.1 | [SUSE-SU-2024:4094-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4094-1.md) | Nov 28, 2024 |
| Linux | qemu-system Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-arm Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-arm 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-arm-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-arm Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-arm 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-arm-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-common Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-common 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-common-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-common Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-common 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-common-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-data Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-data 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-data-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-data Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-data 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-data-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-gui Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-gui 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-gui-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-gui Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-gui 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-gui-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-mips Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-mips 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-mips-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-mips Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-mips 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-mips-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-misc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-misc 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-misc-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-misc Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-misc 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-misc-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-modules-opengl Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-modules-opengl 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-opengl-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-modules-opengl Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-modules-opengl 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-modules-opengl-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-modules-spice Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-modules-spice 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-spice-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-modules-spice Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-modules-spice 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-modules-spice-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-ppc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-ppc 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-ppc-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-ppc Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-ppc 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-ppc-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-s390x Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-s390x 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-s390x-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-s390x Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-s390x 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-s390x-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-sparc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-sparc 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-sparc-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-sparc Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-sparc 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-sparc-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-x86 Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-x86 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-x86 Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-x86 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-x86-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-x86-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-x86-xen 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-xen-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-x86-xen Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-x86-xen 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-x86-xen-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-system-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-system-xen 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-xen-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-system-xen Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-system-xen 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-system-xen-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-user Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-user 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-user Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-user 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-user-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-user-binfmt Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-user-binfmt 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-binfmt-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-user-binfmt Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-user-binfmt 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-user-binfmt-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-user-static Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-user-static 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-static-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-user-static Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-user-static 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-user-static-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |
| Linux | qemu-utils Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.4 | [qemu-utils 1:8.2.2+ds-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-utils-1-8.2.2-ds-0ubuntu1.4.md) | Aug 14, 2024 |
| Linux | qemu-utils Ubuntu 24.10 (oracular) | 1:9.0.2+ds-4ubuntu5.1 | [qemu-utils 1:9.0.2+ds-4ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-qemu-utils-1-9.0.2-ds-4ubuntu5.1.md) | Aug 15, 2024 |

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