CVE-2016-2841

Publication date 4 March 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.1
	15.10 wily	Fixed 1:2.3+dfsg-5ubuntu9.4
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.24
	12.04 LTS precise	Not in release
qemu-kvm	16.04 LTS xenial	Not in release
	15.10 wily	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 1.0+noroms-0ubuntu14.28

Patch details

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

Package	Patch details
qemu	Other: https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.html Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=415ab35a441eca767d033a2702223e785b9d5190

Severity score breakdown

Parameter	Value
Base score	6.0 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2974-1
QEMU vulnerabilities
12 May 2016