SB2017030812 - Input validation error in Linux kernel

Description

This security bulletin contains information about 1 vulnerability.

1) Input validation error (CVE-ID: CVE-2017-0508)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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

An elevation of privilege vulnerability in the kernel ION subsystem could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as Critical due to the possibility of a local permanent device compromise, which may require reflashing the operating system to repair the device. Product: Android. Versions: Kernel-3.18. Android ID: A-33940449.

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/96952
• http://www.securitytracker.com/id/1037968
• https://source.android.com/security/bulletin/2017-03-01
• https://source.android.com/security/bulletin/2017-03-01.html