SB2018092120 - Authorization bypass in Linux kernel



SB2018092120 - Authorization bypass in Linux kernel

Published: September 21, 2018 Updated: July 14, 2020

Security Bulletin ID SB2018092120
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Authorization bypass (CVE-ID: CVE-2018-16597)

The vulnerability allows a local authenticated user to manipulate data.

An issue was discovered in the Linux kernel before 4.8. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.


Remediation

Install update from vendor's website.