CVE-2024-2496

Libvirt: null pointer dereference in udevconnectlistallinterfaces()

At a glance

Severity: MEDIUM 5.0
EPSS: EPSS 0.25 % · percentile 17 (2026-10-27)
State: PUBLISHED
Published: 2024-03-18
Updated: 2025-11-08
Assigner: redhat
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.0	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	redhat
CVSS 3.1	MEDIUM 5.0	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	NVD · secalert@redhat.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-476

European references

ENISA EUVD · EUVD-2024-27445
GCVE · GCVE-0-2024-2496

Affected configurations (NVD CPE)

cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* < 9.8.0
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Affected products

Product	Versions
libvirt	affected 9.0.0 < 9.7.0
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:10.0.0-6.el9_4 < *
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD