SB2017122926 - Denial of service in Linux kernel EINJ



SB2017122926 - Denial of service in Linux kernel EINJ

Published: December 29, 2017 Updated: September 20, 2022

Security Bulletin ID SB2017122926
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) Code injection (CVE-ID: CVE-2016-3695)

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

The vulnerability exists within the einj_error_inject() function in drivers/acpi/apei/einj.c in the Linux kernel, which allows local users to simulate hardware errors. A local user can cause a denial of service by leveraging failure to disable APEI error injection through EINJ when securelevel is set.


Remediation

Install update from vendor's website.