CVE-2015-5247

Publication date 16 September 2015

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

The virStorageVolCreateXML API in libvirt 1.2.14 through 1.2.19 allows remote authenticated users with a read-write connection to cause a denial of service (libvirtd crash) by triggering a failed unlink after creating a volume on a root_squash NFS pool.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libvirt	15.10 wily	Fixed 1.2.16-2ubuntu11.15.10.2
	15.04 vivid	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

tyhicks

affects 1.2.14 to 1.2.19

Patch details

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

Package	Patch details
libvirt	Upstream: http://libvirt.org/git/?p=libvirt.git;a=commit;h=9e48400f4606bac16b7e4db195f610928c3d5a04 Upstream: http://libvirt.org/git/?p=libvirt.git;a=commit;h=2f4b41861c1729ff4b754986782d7428ccdca455 Upstream: http://libvirt.org/git/?p=libvirt.git;a=commit;h=7f0505705c70f7eb1e435a2e7732d1a74abfadfd

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-2867-1
libvirt vulnerabilities
12 January 2016