CVE-2024-4693

MEDIUM

5.5

CVSS v3

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 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.

CWE-672

How to fix

Remediation Available

qemuDebian

Fixed in:1:8.2.3+ds-1CVE-2024-4693

qemuUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-systemUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-aarch64Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

qemu-system-armUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-commonUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

qemu-system-mipsUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-miscUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-ppcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-s390xUbuntu

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-sparcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-x86Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.47+esm4USN-7094-1

This Ubuntu release reached end-of-life on 2019-04-02.

Fixed in:1:2.5+dfsg-5ubuntu10.51+esm3USN-7094-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:1:2.11+dfsg-1ubuntu7.42+esm2USN-7094-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-x86-microvmUbuntu

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

qemu-system-x86-xenUbuntu

Fixed in:1:4.2-3ubuntu6.30USN-7094-1

This Ubuntu release reached end-of-life on 2025-05-31. Extended security maintenance is available until 2030-04-02.

Fixed in:1:6.2+dfsg-2ubuntu6.24USN-7094-1

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

qemu-system-xenUbuntu

Fixed in:1:8.2.2+ds-0ubuntu1.4USN-7094-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.32%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-672 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23638	Medium	6.5	60%	-	Fix
CVE-2020-11027	Medium	6.1	14%	-	Fix
CVE-2019-17638	Critical	9.4	11%	-	Fix
CVE-2009-3547	High	7.0	4.9%	-	-
CVE-2019-15691	High	7.2	4.7%	-	Fix
CVE-2020-24030	Critical	9.8	2.7%	-	-

Common questions

How do I fix CVE-2024-4693?

Published advisories record a fix for 15 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2024-4693 being actively exploited?

Not that we know of. CVE-2024-4693 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.32% is the estimated probability that it will be exploited in the next 30 days. That is higher than 25% of all scored CVEs.

How severe is CVE-2024-4693?

CVE-2024-4693 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-4693 affect?

Published advisories record a fix for qemu (Debian), qemu (Ubuntu), qemu-system (Ubuntu), qemu-system-aarch64 (Ubuntu), and 11 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2024-4693

Markdown

[![CVE-2024-4693](https://tridentstack.com/cve/badge/CVE-2024-4693.svg)](https://tridentstack.com/cve/CVE-2024-4693)

HTML

<a href="https://tridentstack.com/cve/CVE-2024-4693"><img src="https://tridentstack.com/cve/badge/CVE-2024-4693.svg" alt="CVE-2024-4693"></a>

Check your Linux endpoints for this class of vulnerability

TridentStack Control continuously scans Linux endpoints for known vulnerabilities and deploys the fixes from the same console. 200 endpoints free forever, no credit card.

Patch your fleet free Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.