SB2017022208 - Improper access control in Xen
Published: February 22, 2017 Updated: July 28, 2020
Security Bulletin ID
SB2017022208
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2016-9378)
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 an incorrect choice for software interrupt delivery.
Remediation
Install update from vendor's website.