CVE-2015-4164

CVE Details

Release Date:	2015-06-11
Impact:	Moderate	What is this?

Description

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong waythrough a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

See more information about CVE-2015-4164 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	4.3
Vector String:	AV:A/AC:H/Au:S/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	High
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2015-0068	2015-06-11
Oracle VM version 3.3 (xen)	OVMSA-2015-0067	2015-06-11