SB2017051280 - Incorrect calculation of buffer size in Linux kernel

Description

This security bulletin contains information about 1 vulnerability.

1) Incorrect calculation of buffer size (CVE-ID: CVE-2017-0620)

CWE-ID: CWE-131 - Incorrect Calculation of Buffer Size

CVSSv4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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

An elevation of privilege vulnerability in the Qualcomm Secure Channel Manager driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process. Product: Android. Versions: Kernel-3.10, Kernel-3.18. Android ID: A-35401052. References: QC-CR#1081711.

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/98193
• https://source.android.com/security/bulletin/2017-05-01