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CVE-2024-1441

MediumPublished

Libvirt: off-by-one error in udevlistinterfacesbystatus()

Published: Mar 11, 2024
Updated: Nov 8, 2025
Assigning CNA: redhat
Evidence observed: Aug 8, 2026

Primary CVSS

5.5/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.4%

Low · next 30 days

Percentile: 33.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `names` array. This issue can be reproduced by sending specially crafted data to the libvirt daemon, allowing an unprivileged client to perform a denial of service attack by causing the libvirt daemon to crash.

Sources

CVE-2024-1441Research
Reproduces fuzzing and crash analysis for CVE-2024-1441 using AFL++ and CASR, with detailed setup and commands for libvirt.

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