SB2017012312 - Input validation error in Xen
Published: January 23, 2017 Updated: July 28, 2020
Security Bulletin ID
SB2017012312
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-9383)
The vulnerability allows a local authenticated user to execute arbitrary code.
Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.
Remediation
Install update from vendor's website.