CVE-2014-0146

Publication date 26 March 2014

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	14.04 LTS trusty	Not affected
	13.10 saucy	Ignored end of life
	12.10 quantal	Not in release
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not in release
qemu-kvm	14.04 LTS trusty	Not in release
	13.10 saucy	Not in release
	12.10 quantal	Ignored end of life
	12.04 LTS precise	Fixed 1.0+noroms-0ubuntu14.17
	10.04 LTS lucid	Fixed 0.12.3+noroms-0ubuntu9.24

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/2014-03/msg04994.html Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=11b128f4062dd7f89b14abc8877ff20d41b28be9
qemu-kvm	Other: https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2342-1
QEMU vulnerabilities
8 September 2014