SB2016120112 - Incorrect calculation in xen (Alpine package)



SB2016120112 - Incorrect calculation in xen (Alpine package)

Published: December 1, 2016

Security Bulletin ID SB2016120112
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect calculation (CVE-ID: CVE-2016-9377)

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.


Remediation

Install update from vendor's website.