CVE-2019-5008

Publication date 19 April 2019

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

hw/sparc64/sun4u.c in QEMU 3.1.50 is vulnerable to a NULL pointer dereference, which allows the attacker to cause a denial of service via a device driver.

From the Ubuntu Security Team

It was discovered that a NULL pointer dereference existed in the sun4u power device implementation in QEMU. A local attacker could use this to cause a denial of service.

Read the notes from the security team

Status

Package Ubuntu Release Status
qemu 19.04 disco
Fixed 1:3.1+dfsg-2ubuntu3.1
18.10 cosmic
Fixed 1:2.12+dfsg-3ubuntu8.7
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Fixed 2.0.0+dfsg-2ubuntu1.46
qemu-kvm 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

sbeattie

sun4u power device was added in commit 25c5d5acfbaa148b2da64b1f2c1401f87ebb0bb4 (v2.12)

Patch details

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

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references