Pixel / Nexus Security Bulletin—February 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 2018-02-05 or later address all issues in this bulletin and all issues in the February 2018 Android Security Bulletin. To learn how to check a device’s security patch level, see Check and update your Android version.

All supported Google devices will receive an update to the 2018-02-05 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 February 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-2017-13239	A-66244132*	ID	Moderate	8.0
CVE-2017-13240	A-68694819	ID	Moderate	8.0, 8.1

Media framework

CVE	References	Type	Severity	Updated AOSP versions
CVE-2017-13241	A-69065651	ID	Moderate	5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1
CVE-2017-13229	A-68160703	RCE	Moderate	7.0, 7.1.1, 7.1.2, 8.0, 8.1
RCE	Critical	5.1.1, 6.0, 6.0.1
CVE-2017-13235	A-68342866	NSI	NSI	7.0, 7.1.1, 7.1.2, 8.0, 8.1
DoS	High	5.1.1, 6.0, 6.0.1

System

CVE	References	Type	Severity	Updated AOSP versions
CVE-2017-13242	A-62672248 [2]	ID	Moderate	6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1
CVE-2017-13243	A-38258991*	ID	Moderate	5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0

Kernel components

CVE	References	Type	Severity	Component
CVE-2017-13244	A-62678986*	EoP	Moderate	Easel
CVE-2017-13245	A-64315347*	EoP	Moderate	Audio driver
CVE-2017-1000405	A-69934280 Upstream kernel	EoP	Moderate	Page management
CVE-2017-13246	A-36279469*	ID	Moderate	Network driver

Qualcomm components

CVE	References	Type	Severity	Component
CVE-2017-15817	A-68992394 QC-CR#2076603 [2]	RCE	Critical	WLan
CVE-2017-15859	A-65468985 QC-CR#2059715	ID	Moderate	qcacld-2.0
CVE-2017-17769	A-65172622* QC-CR#2110256	ID	Moderate	qdsp6v2
CVE-2017-9723	A-68992479 QC-CR#2007828	EoP	Moderate	synaptics_dsx_htc touchscreen driver
CVE-2017-14881	A-68992478 QC-CR#2087492 [2]	EoP	Moderate	ipa driver
CVE-2017-14877	A-68992473 QC-CR#2057803 [2]	EoP	Moderate	ipa driver
CVE-2017-15826	A-68992471 QC-CR#2100085 [2]	EoP	Moderate	MDSS rotator
CVE-2017-14876	A-68992468 QC-CR#2054041	EoP	Moderate	MSM camera_v2 driver
CVE-2017-14892	A-68992455 QC-CR#2096407	EoP	Moderate	qdsp6v2
CVE-2017-17766	A-68992448 QC-CR#2115366	EoP	Moderate	WiFi
CVE-2017-15823	A-68992447 QC-CR#2115365	EoP	Moderate	WiFi
CVE-2017-15852	A-36730614* QC-CR#2028702	EoP	Moderate	Framebuffer
CVE-2017-15846	A-67713103 QC-CR#2083314 [2]	EoP	Moderate	Camera
CVE-2017-14883	A-68992426 QC-CR#2112832	EoP	Moderate	Power
CVE-2017-11043	A-68992421 QC-CR#2091584	EoP	Moderate	WiFi
CVE-2017-14875	A-68992465 QC-CR#2042147	ID	Moderate	Camera
CVE-2017-14891	A-68992453 QC-CR#2096006	ID	Moderate	KGSL
CVE-2017-17771	A-38196031 QC-CR#2003798	EoP	Moderate	Camera driver
CVE-2017-11087	A-34735194* QC-CR#2053869	ID	Moderate	Media framework

Functional updates

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-68863351	UX	Improved icons in Settings app.	All
A-68198663	Bluetooth	Improved Bluetooth call quality for some headsets.	Pixel, Pixel XL, Pixel 2, Pixel 2 XL
A-68317240	Wi-Fi	Improved Wi-Fi uplink performance.	Pixel 2, Pixel 2 XL
A-69263786	Camera	Improved Camera performance in certain light conditions.	Pixel 2, Pixel 2 XL
A-67844294	Android Auto	Improved Android Auto Projected performance for some cars.	Pixel 2, Pixel 2 XL
A-69349260	App compatibility	Improved RSA key parsing from byte arrays.	All
A-68832228	Power	Improved battery performance on some Pixel 2XL devices.	Pixel 2 XL
A-69797895	Mobile data	Improved data performance for Telus users in certain network environments.	Pixel 2
A-68368139	Stability	Improved device stability after booting in certain situations.	Pixel 2, Pixel 2 XL
A-68874871	Audio	Improved routing when switching audio outputs.	Pixel 2, Pixel 2 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 2018-02-05 or later address all issues associated with the 2018-02-05 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 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	February 5, 2018	Bulletin published.
1.1	February 7, 2018	Bulletin revised to include AOSP links.
1.3	April 2, 2018	Moved CVE-2017-15817 from the February Android Bulletin to the February Pixel Bulletin.
1.4	April 30, 2018	Updated CVE-2017-15852 from CR 2046770 to CR 2028702.