SB2017091340 - Privilege escalation in xen (Alpine package)

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Main Vulnerability Database SB2017091340

SB2017091340 - Privilege escalation in xen (Alpine package)

Published: September 13, 2017

Security Bulletin ID SB2017091340
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
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) Privilege escalation (CVE-ID: CVE-2017-12136)

The vulnerability allows a local administrative attacker on the guest system to gain elevated privileges on the host system.

The weakness exists due to a race condition in the grant table allocator maptrack entry list processing code. A local attacker on the guest system can cause the host system to crash or gain elevated privileges on the host system.

Remediation

Install update from vendor's website.

References