CVE-2024-3446

Publication date 9 April 2024

Last updated 15 September 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host, resulting in a denial of service or allow arbitrary code execution within the context of the QEMU process on the host.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	25.10 questing	Fixed 1:9.0.2+ds-4ubuntu2
	25.04 plucky	Fixed 1:9.0.2+ds-4ubuntu2
	24.10 oracular	Fixed 1:9.0.2+ds-4ubuntu2
	24.04 LTS noble	Fixed 1:8.2.2+ds-0ubuntu1.10
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 1:6.2+dfsg-2ubuntu6.27
	20.04 LTS focal	Needs evaluation
	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
qemu	Upstream: 4f01537 Upstream: fbeb0a1 Upstream: 1b2a527

Severity score breakdown

Parameter	Value
Base score	8.2 · High
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-7744-1
QEMU vulnerabilities
11 September 2025