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Vulnerability record · CVE-2024-2496 · published 18 March 2024

CVE-2024-2496: Redhat libvirt null pointer dereference vulnerability

Redhat · Libvirt

A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.

5.5 CVSS 3.1 Medium EPSS 0.25% · top 85.0% CWE-476 · NULL pointer dereference
5.5CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

Description

A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2024:2236 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-2496 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2269672 Issue TrackingPatch
https://access.redhat.com/errata/RHSA-2024:2236 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-2496 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2269672 Issue TrackingPatch
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html Mailing List

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Source: NIST National Vulnerability Database (record CVE-2024-2496), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.