CVE-2015-8615

LOW

Description

The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).

References

http://www.securityfocus.com/bid/79644

http://www.securitytracker.com/id/1034512

http://xenbits.xen.org/xsa/advisory-169.html

Details

Source: MITRE

Published: 2016-01-08

Updated: 2016-11-28

Type: CWE-254

Risk Information

CVSS v2.0

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

Impact Score: 1.4

Exploitability Score: 3.1

Severity: MEDIUM