CVE-2015-7971

CVE Details

Release Date:

2015-10-30

Description

Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.

See more information about CVE-2015-7971 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	2.1	Base Metrics:	AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector:	Local network	Attack Complexity:	Low
Authentication:	None required	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2015-0142	2015-10-29
Oracle VM version 3.2 (xen)	OVMSA-2015-0143	2015-11-06
Oracle VM version 3.3 (xen)	OVMSA-2015-0141	2015-10-29

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team