CVE-2015-7512

Publication date 30 November 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	15.10 wily	Fixed 1:2.3+dfsg-5ubuntu9.1
	15.04 vivid	Fixed 1:2.2+dfsg-5expubuntu9.7
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.21
	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	Fixed 1.0+noroms-0ubuntu14.26

Severity score breakdown

Parameter	Value
Base score	9.0 · Critical
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)