SB2019043010 - Information disclosure in Linux kernel
Published: April 30, 2019 Updated: August 8, 2020
Breakdown by Severity
- 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.