CVE-2015-8666

Publication date 31 December 2015

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Heap-based buffer overflow in QEMU, when built with the Q35-chipset-based PC system emulator.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	15.10 wily	Fixed 1:2.3+dfsg-5ubuntu9.2
	15.04 vivid	Ignored end of life
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.22
	12.04 LTS precise	Not in release
qemu-kvm	15.10 wily	Not in release
	15.04 vivid	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Patch details

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

Package	Patch details
qemu	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=d9a3b33d2c9f996537b7f1d0246dee2d0120cefb

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.9 · High

Base metrics

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

Scores

Parameter	Value
Base score	7.9 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2891-1
QEMU vulnerabilities
3 February 2016

Other references

Access our resources on patching vulnerabilities