CVE-2024-2496

Publication date 18 March 2024

Last updated 11 April 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libvirt	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 9.6.0-1ubuntu1.1
	22.04 LTS jammy	Fixed 8.0.0-1ubuntu7.10
	20.04 LTS focal	Fixed 6.0.0-0ubuntu8.19
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libvirt	Upstream: 2ca9431

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6734-1
libvirt vulnerabilities
15 April 2024