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CVE-2024-2496

Libvirt: null pointer dereference in udevconnectlistallinterfaces()

Published: Mar 18, 2024Updated: Apr 9, 2025 Sources: CVE List NVD BDUCWE-476
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
0.3%
Top 83.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:LAC:LPR:LUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-476

Affected Products

libvirtredhat
On-premLibrary
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 9Red Hat
On-premOS
Operating Systems / linux-distro
redhatcommercialUSOperating Systemsaka red hat
debianoss-projectGBOperating Systemsaka debian gnu/linux
red hatcommercialUSOperating Systemsaka red hat
and 11 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2024:2236
access.redhat.com
https://access.redhat.com/security/cve/CVE-2024-2496
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2269672
bugzilla.redhat.com
and 9 more references View all →

Timeline

Published
Mar 18, 2024
Last Updated
Apr 9, 2025

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