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Boletín de seguridad de Pixel / Nexus: febrero de 2018

Published February 5, 2018 | Updated April 30, 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.


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.


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


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
ID Moderate qcacld-2.0
CVE-2017-17769 A-65172622*
ID Moderate qdsp6v2
CVE-2017-9723 A-68992479
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
EoP Moderate MSM camera_v2 driver
CVE-2017-14892 A-68992455
EoP Moderate qdsp6v2
CVE-2017-17766 A-68992448
EoP Moderate WiFi
CVE-2017-15823 A-68992447
EoP Moderate WiFi
CVE-2017-15852 A-36730614*
EoP Moderate Framebuffer
CVE-2017-15846 A-67713103
QC-CR#2083314 [2]
EoP Moderate Camera
CVE-2017-14883 A-68992426
EoP Moderate Power
CVE-2017-11043 A-68992421
EoP Moderate WiFi
CVE-2017-14875 A-68992465
ID Moderate Camera
CVE-2017-14891 A-68992453
ID Moderate KGSL
CVE-2017-17771 A-38196031
EoP Moderate Camera driver
CVE-2017-11087 A-34735194*
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.


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.