SB2017122926 - Denial of service in Linux kernel EINJ
Published: December 29, 2017 Updated: September 20, 2022
Breakdown by Severity
- 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.