SB2016050935 - Input validation error in linux-grsec (Alpine package)



SB2016050935 - Input validation error in linux-grsec (Alpine package)

Published: May 9, 2016

Security Bulletin ID SB2016050935
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) Input validation error (CVE-ID: CVE-2016-3961)

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

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.


Remediation

Install update from vendor's website.