CVE-2024-26327

5.3 MEDIUM 0.6% exploit odds Fix listed

What it is

An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of service disruption.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2024-02-19 05:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 07:17 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 5.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2024-02-19 05:15 UTC
Last modified: 2026-06-17 07:17 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-787 · Out-of-bounds write
Record status: Analyzed

Affected

Qemu ≤ 8.2.1

Attack profile CVSS 3.1 · 5.3

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2024-26327.md and follow it. Check whether this project is affected by CVE-2024-26327. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record