CVE-2024-6519

Publication date 21 October 2024

Last updated 9 June 2026

Ubuntu priority

Cvss 3 Severity Score

Description

A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue can lead to a crash or VM escape.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	26.04 LTS resolute	Vulnerable
	25.10 questing	Fixed 1:10.1.0+ds-5ubuntu2.6
	25.04 plucky	Ignored end of life, was deferred [2026-03-20]
	24.10 oracular	Ignored end of life, was deferred [2026-03-20]
	24.04 LTS noble	Fixed 1:8.2.2+ds-0ubuntu1.16
	22.04 LTS jammy	Fixed 1:6.2+dfsg-2ubuntu6.30
	20.04 LTS focal	Fixed 1:4.2-3ubuntu6.30+esm1
	18.04 LTS bionic	Fixed 1:2.11+dfsg-1ubuntu7.42+esm5
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.51+esm4
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.47+esm6

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Notes

mdeslaur

as of 2026-03-20, there is no upstream fix for this issue

Patch details

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

Package	Patch details
qemu	Upstream: 4862d2c

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.2 · High

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.2 · High
Exploitability score	-
Impact score	-

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-8161-1
QEMU vulnerabilities
9 April 2026

USN-8412-1
QEMU vulnerabilities
9 June 2026