Pixel Update Bulletin—November 2019

The Pixel Update Bulletin contains details of security vulnerabilities and functional improvements affecting supported Pixel devices (Google devices). For Google devices, security patch levels of 2019-11-05 or later address all issues in this bulletin and all issues in the November 2019 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 2019-11-05 patch level. We encourage all customers to accept these updates for 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 November 2019 Android Security Bulletin, Google devices also contain patches for the security vulnerabilities described below.

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-2019-2210	A-139148442*	EoP	High	9, 10

LG components

CVE	References	Type	Severity	Component
CVE-2019-9467	A-80316910*	EoP	High	Bootloader

Kernel components

CVE	References	Type	Severity	Component
CVE-2019-9503	A-130375182 Upstream kernel	RCE	Moderate	Broadcom Firmware
CVE-2019-15917	A-141042951 Upstream kernel	EoP	Moderate	Bluetooth
CVE-2018-1108	A-110871389 Upstream kernel	ID	Moderate	Crypto

Qualcomm components

CVE	References	Type	Severity	Component
CVE-2017-15828	A-68992481 QC-CR#2095811	N/A	Moderate	EcoSystem
CVE-2018-11274	A-111126528 QC-CR#2213088	N/A	Moderate	Audio
CVE-2018-11852	A-111129607 QC-CR#2221965	N/A	Moderate	WLAN host
CVE-2018-11863	A-111126052 QC-CR#2226386	N/A	Moderate	WLAN host
CVE-2018-11886	A-111128246 QC-CR#2230318	N/A	Moderate	WLAN host
CVE-2018-11903	A-111128640 QC-CR#2243990	N/A	Moderate	WLAN host
CVE-2018-5856	A-77528410 QC-CR#1092859 [2]	N/A	Moderate	Audio
CVE-2018-5911	A-79422238 QC-CR#2208881	N/A	Moderate	WLAN host
CVE-2017-11078	A-66937384 QC-CR#2078549	N/A	Moderate	Boot
CVE-2018-11266	A-68726653 QC-CR#2035140 [2]	N/A	Moderate	Services
CVE-2018-11883	A-111129382 QC-CR#2229615	N/A	Moderate	WLAN host
CVE-2019-10520	A-134441573 QC-CR#2415037	N/A	Moderate	Kernel
CVE-2019-10530	A-116872291 QC-CR#2381265	N/A	Moderate	Kernel
CVE-2019-10555	A-138940207 QC-CR#2284987 [2]	N/A	Moderate	Display

Qualcomm closed-source components

CVE	References	Type	Severity	Component
CVE-2018-5918	A-79419740*	N/A	Moderate	Closed-source component

Functional patches

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

References	Category	Improvements	Devices
A-135756211	Assistant	Improvements for Google Assistant Hotword	Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL
A-139313340	Audio	Improvements for bottom speaker audio quality	Pixel 3
A-139402097	Stability	Additional fixes for some devices stuck during boot	Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL
A-140808513	Keyboards	Additional support for Xbox BT controller mapping	Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL, Pixel 4, Pixel 4 XL
Various	Display/Graphics	Smooth Display improvements	Pixel 4, Pixel 4 XL
Various	Camera	Camera quality improvements	Pixel 4, Pixel 4 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 2019-11-05 or later address all issues associated with the 2019-11-05 security patch level and all previous patch levels. To learn how to check a device’s security patch level, read the instructions on the Google device 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 an * next to the Android bug ID in the References column mean?

Issues that are not publicly available have an * 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 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 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	November 4, 2019	Bulletin published.
1.1	December 5, 2019	Corrected CVE number for CVE-2019-9503.