SB2016120808 - Use-after-free in Linux kernel android ion driver



SB2016120808 - Use-after-free in Linux kernel android ion driver

Published: December 8, 2016

Security Bulletin ID SB2016120808
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2016-9120)

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to a use-after-free error within the ion_handle_get(), ion_handle_lookup(), ion_alloc() and ion_ioctl() functions in drivers/staging/android/ion/ion.c. A local non-authenticated attacker can execute arbitrary code.


Remediation

Install update from vendor's website.