SB2018011046 - Double Free in Google, Google Android



SB2018011046 - Double Free in Google, Google Android

Published: January 10, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018011046
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-2017-9705)

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

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, concurrent rx notifications and read() operations in the G-Link PKT driver can result in a double free condition due to missing locking resulting in list_del() and list_add() overlapping and corrupting the next and previous pointers.


Remediation

Install update from vendor's website.