SB2019043010 - Information disclosure in Linux kernel



SB2019043010 - Information disclosure in Linux kernel

Published: April 30, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019043010
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2018-20509)

The vulnerability allows a local authenticated user to gain access to sensitive information.

The print_binder_ref_olocked function in drivers/android/binder.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading " ref *desc *node" lines in a debugfs file.


Remediation

Install update from vendor's website.