Pixel / Nexus Security Bulletin—May 2018

The Pixel / Nexus Security Bulletin contains details of security vulnerabilities and functional improvements affecting supported Google Pixel and Nexus devices (Google devices). For Google devices, security patch levels of 2018-05-05 or later address all issues in this bulletin and all issues in the May 2018 Android Security Bulletin. To learn how to check a device’s security patch level, see Check & update your Android version.

All supported Google devices will receive an update to the 2018-05-05 patch level. We encourage all customers to accept these updates to their devices.

Note: The Google device firmware images are available on the Google Developer site.

Announcements

In addition to the security vulnerabilities described in the May 2018 Android Security Bulletin, Pixel and Nexus devices also contain patches for the security vulnerabilities described below. Partners were notified of these issues at least a month ago and may choose to incorporate them as part of their device updates.

Security patches

Vulnerabilities are grouped under the component that they affect. There is a description of the issue and a table with the CVE, associated references, type of vulnerability, severity, and updated Android Open Source Project (AOSP) versions (where applicable). When available, we link the public change that addressed the issue to the bug ID, like the AOSP change list. When multiple changes relate to a single bug, additional references are linked to numbers following the bug ID.

Framework

CVE	References	Type	Severity	Updated AOSP versions
CVE-2017-13316	A-73311729	ID	Moderate	6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1

Media framework

CVE	References	Type	Severity	Updated AOSP versions
CVE-2017-13317	A-73172046	ID	Moderate	8.1
CVE-2017-13318	A-73782357	ID	Moderate	8.1
CVE-2017-13319	A-71868329	ID	Moderate	7.0, 7.1.1, 7.1.2, 8.0, 8.1
DoS	High	6.0, 6.0.1
CVE-2017-13320	A-72764648	ID	Moderate	7.0, 7.1.1, 7.1.2, 8.0, 8.1
DoS	High	6.0, 6.0.1

System

CVE	References	Type	Severity	Updated AOSP versions
CVE-2017-13323	A-73826242	EoP	Moderate	6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1
CVE-2017-13321	A-70986337	ID	Moderate	8.0, 8.1
CVE-2017-13322	A-67862398	DoS	Moderate	6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1

Kernel components

CVE	References	Type	Severity	Component
CVE-2018-5344	A-72867809 Upstream kernel	EoP	Moderate	Block driver
CVE-2017-15129	A-72961054 Upstream kernel	EoP	Moderate	Network namespace

NVIDIA components

CVE	References	Type	Severity	Component
CVE-2018-6254	A-64340684*	ID	Moderate	Media server
CVE-2018-6246	A-69383916*	ID	Moderate	Widevine trustlet

Qualcomm components

CVE	References	Type	Severity	Component
CVE-2018-5849	A-72957611 QC-CR#2131811	EoP	Moderate	QTEECOM
CVE-2018-5851	A-72957505 QC-CR#2146869 [2]	EoP	Moderate	WLAN
CVE-2018-5842	A-72957257 QC-CR#2113219 [2]	EoP	Moderate	WLAN
CVE-2018-5848	A-72957178 QC-CR#2126062	EoP	Moderate	WIGIG
CVE-2018-5853	A-71714212* QC-CR#2178082 QC-CR#2043277	EoP	Moderate	Networking subsystem
CVE-2018-5843	A-71501685 QC-CR#2113385	EoP	Moderate	Modem driver
CVE-2018-5844	A-71501682 QC-CR#2118860	EoP	Moderate	Video device
CVE-2018-5847	A-71501681 QC-CR#2120955	EoP	Moderate	Snapdragon display engine
CVE-2018-3582	A-72956801 QC-CR#2149531	EoP	Moderate	WLAN
CVE-2018-3581	A-72957725 QC-CR#2150359 [2]	EoP	Moderate	WLAN
CVE-2018-3576	A-72957337 QC-CR#2128512	EoP	Moderate	WLAN
CVE-2018-3572	A-72957724 QC-CR#2145996 [2]	EoP	Moderate	Audio
CVE-2018-3571	A-72957527 QC-CR#2132332	EoP	Moderate	Kgsl
CVE-2017-18153	A-35470735* QC-CR#2021363	EoP	Moderate	Qcacld-2.0
CVE-2017-18070	A-72441280 QC-CR#2114348	EoP	Moderate	WLAN
CVE-2017-15857	A-65122765* QC-CR#2111672 QC-CR#2152401 QC-CR#2152399 QC-CR#2153841	EoP	Moderate	Camera
CVE-2017-15854	A-71501688 QC-CR#2114396	EoP	Moderate	WLAN
CVE-2017-15843	A-72956941 QC-CR#2032076 [2]	EoP	Moderate	Floor_vote driver
CVE-2017-15842	A-72957040 QC-CR#2123291 [2]	EoP	Moderate	Qdsp6v2
CVE-2017-15832	A-70237689 QC-CR#2114756	EoP	Moderate	WLAN
CVE-2018-5852	A-70242505* QC-CR#2169379	ID	Moderate	Ipa driver
CVE-2018-3579	A-72957564 QC-CR#2149720	ID	Moderate	WLAN

Functional patches

These updates are included for affected Pixel devices to address functionality issues not related to the security of Pixel devices. The table includes associated references; the affected category, such as Bluetooth or mobile data; improvements; and affected devices.

References	Category	Improvements	Devices
A-68840121	Performance	Improve Multitouch Detection	All
A-72851087	Power	Adjust Pixel XL charging behavior	Pixel XL

Common questions and answers

This section answers common questions that may occur after reading this bulletin.

1. How do I determine if my device is updated to address these issues?

Security patch levels of 2018-05-05 or later address all issues associated with the 2018-05-05 security patch level and all previous patch levels. To learn how to check a device’s security patch level, read the instructions on the Pixel and Nexus update schedule.

2. What do the entries in the Type column mean?

Entries in the Type column of the vulnerability details table reference the classification of the security vulnerability.

Abbreviation	Definition
RCE	Remote code execution
EoP	Elevation of privilege
ID	Information disclosure
DoS	Denial of service
N/A	Classification not available

3. What do the entries in the References column mean?

Entries under the References column of the vulnerability details table may contain a prefix identifying the organization to which the reference value belongs.

Prefix	Reference
A-	Android bug ID
QC-	Qualcomm reference number
M-	MediaTek reference number
N-	NVIDIA reference number
B-	Broadcom reference number

4. What does a * next to the Android bug ID in the References column mean?

Issues that are not publicly available have a * next to the Android bug ID in the References column. The update for that issue is generally contained in the latest binary drivers for Pixel / Nexus devices available from the Google Developer site.

5. Why are security vulnerabilities split between this bulletin and the Android Security Bulletins?

Security vulnerabilities that are documented in the Android Security Bulletins are required in order to declare the latest security patch level on Android devices. Additional security vulnerabilities, such as those documented in this bulletin are not required for declaring a security patch level.

Versions

Version	Date	Notes
1.0	May 7, 2018	Bulletin published.
1.1	May 9, 2018	Bulletin revised to include AOSP links.