SB2019022830 - Double Free in Google, Google Android



SB2019022830 - Double Free in Google, Google Android

Published: February 28, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019022830
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Double Free (CVE-ID: CVE-2019-1999)

The vulnerability allows a local authenticated user to execute arbitrary code.

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.


Remediation

Install update from vendor's website.