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Pixel / Nexus Security Bulletin—April 2018

Description

The Pixel / Nexus Security Bulletin contains details of security vulnerabilities and functional improvements affecting [supported Google Pixel and Nexus devices](<https://support.google.com/pixelphone/answer/4457705#pixel_phones&nexus_devices>) (Google devices). For Google devices, security patch levels of 2018-04-05 or later address all issues in this bulletin and all issues in the April 2018 Android Security Bulletin. To learn how to check a device's security patch level, see [Check and update your Android version](<https://support.google.com/pixelphone/answer/4457705>). All supported Google devices will receive an update to the 2018-04-05 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](<https://developers.google.com/android/nexus/images>). ## Announcements In addition to the security vulnerabilities described in the April 2018 Android Security Bulletin, Google 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-2017-13294 | [A-71814449](<https://android.googlesource.com/platform/packages/apps/Email/+/c3e0aba2a604ce7c3807d65df1e6a2b848287019>) [[2](<https://android.googlesource.com/platform/packages/apps/UnifiedEmail/+/e00598532bbfc8618b7c051cbf6bd15491f61f27>)] | ID | Moderate | 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1 CVE-2017-13295 | [A-62537081](<https://android.googlesource.com/platform/frameworks/base/+/a2a36541f0b3603335e74da0a8d2b6a9d5bcec3f>) | DoS | 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-2017-13300 | A-71567394* | DoS | High | 6.0, 6.0.1 CVE-2017-13296 | [A-70897454](<https://android.googlesource.com/platform/external/libavc/+/3e3e81ede5229c5a9c6b7bf6a63844ecf07ae3ae>) | ID | Moderate | 7.0, 7.1.1, 7.1.2, 8.0, 8.1 DoS | High | 6.0, 6.0.1 CVE-2017-13297 | [A-71766721](<https://android.googlesource.com/platform/external/libhevc/+/daaece3e79db33f6c473bb54a39933d387a9bf95>) | ID | Moderate | 7.0, 7.1.1, 7.1.2, 8.0, 8.1 DoS | High | 6.0, 6.0.1 CVE-2017-13298 | [A-72117051](<https://android.googlesource.com/platform/frameworks/av/+/12e25a753f4b6f0aa935e54bae66023bd8321598>) | ID | Moderate | 7.0, 7.1.1, 7.1.2, 8.0, 8.1 DoS | High | 6.0, 6.0.1 CVE-2017-13299 | [A-70897394](<https://android.googlesource.com/platform/external/libavc/+/d849abf312a365553ce68aec32dea93230036abe>) | NSI | NSI | 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-2017-13301 | [A-66498711](<https://android.googlesource.com/platform/frameworks/base/+/384689934d293acf532e3fea3e72ef78df4f2d1e>) [[2](<https://android.googlesource.com/platform/frameworks/base/+/d52b215f82e464705373d794748325298f0a1f9a>)] | DoS | Moderate | 8.0 CVE-2017-13302 | [A-69969749](<https://android.googlesource.com/platform/frameworks/base/+/e54ad58aea33860fbb36bf828684e3df6393f602>) | DoS | Moderate | 8.0 ### Broadcom components CVE | References | Type | Severity | Component ---|---|---|---|--- CVE-2017-13303 | A-71359108* B-V2018010501 | ID | Moderate | bcmdhd driver ### Kernel components CVE | References | Type | Severity | Component ---|---|---|---|--- CVE-2017-13304 | A-70576999* | ID | Moderate | mnh_sm driver CVE-2017-13305 | A-70526974* | ID | Moderate | encrypted-keys CVE-2017-17449 | A-70980949 [Upstream kernel](<https://lkml.org/lkml/2017/12/5/950>) | ID | Moderate | netlink tap CVE-2017-13306 | A-70295063* | EoP | Moderate | mnh driver CVE-2017-13307 | A-69128924* | EoP | Moderate | pci sysfs CVE-2017-17712 | A-71500434 [ Upstream kernel](<http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f659a03a0ba9289b9aeb9b4470e6fb263d6f483>) | EoP | Moderate | net ipv4 CVE-2017-15115 | A-70217214 [ Upstream kernel](<http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df80cd9b28b9ebaa284a41df611dbf3a2d05ca74>) | EoP | Moderate | sctp ### Qualcomm components CVE | References | Type | Severity | Component ---|---|---|---|--- CVE-2018-3598 | A-71501698 [ QC-CR#1097390](<https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=bfd8ffc65e6e82de2adceba58bd67137fb3b2024>) | ID | Moderate | camera_v2 driver CVE-2018-5826 | A-69128800* QC-CR#2157283 | ID | Moderate | qcacld-3.0 hdd driver CVE-2017-15853 | A-65853393* QC-CR#2116517 QC-CR#2125577 | ID | Moderate | WLAN CVE-2018-3584 | A-64610600* QC-CR#2142046 | ID | Moderate | rmnet_usb CVE-2017-8269 | A-33967002* QC-CR#2013145 QC-CR#2114278 | ID | Moderate | IPA driver CVE-2017-15837 | A-64403015* QC-CR#2116387 | ID | Moderate | NL80211 driver CVE-2018-5823 | A-72957335 [ QC-CR#2139436](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=fc5bbedd4ab9fd5239be8618afe714d39dd8de49>) | EoP | Moderate | WLAN CVE-2018-5825 | A-72957269 [QC-CR#2151146](<https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=5ae227670444cf8ea7b8a8d98eab41404a03332f>) [[2](<https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=cf0f031ffbb6a8e08e517f653045c3f81d7f2663>)] [[3](<https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=09a34b7878a732187f9138900667d8abb2b1c39c>)] | EoP | Moderate | IPA driver CVE-2018-5824 | A-72957235 [QC-CR#2149399](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=b34f6f3afe229e32a32418f75889279f6e00d157>) [[2](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=d3a92a1656a3ee2fc44d4ff98614a4f5b70f1893>)] | EoP | Moderate | WLAN CVE-2018-5827 | A-72956920 [ QC-CR#2161977](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=53e6d889ac29336ba212a0d4a987455a85736fa8>) | EoP | Moderate | WLAN CVE-2018-5822 | A-71501692 [ QC-CR#2115221](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=edc42ce371b6831dc55a15bc2624175bd538aa37>) | EoP | Moderate | QC WLAN CVE-2018-5821 | A-71501687 [ QC-CR#2114363](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=08ab943766abe845a8fae21689bae18dd74e9b20>) | EoP | Moderate | modem driver CVE-2018-5820 | A-71501686 [ QC-CR#2114336](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=a4a8475ea650c16705a3eaa011524820dc5ffd44>) | EoP | Moderate | Modem driver CVE-2018-3599 | A-71501666 [ QC-CR#2047235](<https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=cf2702c1a77d2a164a3be03597eff7e6fe5f967e>) | EoP | Moderate | Qualcomm Core Services CVE-2018-3596 | A-35263529* QC-CR#640898 | EoP | Moderate | WLAN CVE-2018-3568 | A-72957136 [ QC-CR#2152824](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=70cd30a5c1fdd02af19cf0e34c41842cce89a82d>) | EoP | Moderate | WLAN CVE-2018-3567 | A-72956997 [QC-CR#2147119](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=f2627fca43bc4403a445c2b84481383ac0249364>) [[2](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=25c131e8a807894e04f95bdeb1cbd0376eda3bea>)] | EoP | Moderate | WLAN CVE-2017-15855 | A-72957336 [ QC-CR#2149501](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=75c0ea8622bb07716d2a82247e6dd1597980f223>) | EoP | Moderate | WLAN CVE-2018-5828 | A-71501691 [ QC-CR#2115207](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=6299a6bf166a60a47e9108ae2119027e787432d0>) | EoP | Moderate | QC WLAN CVE-2017-15836 | A-71501693 [ QC-CR#2119887](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=058e1eef2b1422bc0dd70f73832f1ac8a3dbe806>) | EoP | Moderate | QC WLAN CVE-2017-14890 | A-71501695 [ QC-CR#2120751](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=234e14add09a1ba4a1b1d81d474ac3978dc94fd6>) | EoP | Moderate | QC WLAN CVE-2017-14894 | A-71501694 [ QC-CR#2120424](<https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=dfca3d8173c1548a97e558cb8abd1ffd2483f8b7>) | EoP | Moderate | QC WLAN CVE-2017-14880 | A-68992477 [ QC-CR#2078734](<https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=cbf3702ae1c5e2cacd6f15a5eb7a799e2f1ed96f>) [[2](<https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=d72e444dce0b9d20fdcdc4daeb6227e3536eebf7>)] | EoP | Moderate | IPA WAN driver CVE-2017-11075 | A-70237705 [ QC-CR#2098332](<https://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=7a07165c62926e899b710e1fed31532f31797dd5>) | EoP | Moderate | Audio DSP driver ## 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-35963245 | Performance | Enable Assisted Dialing support | Pixel 2, Pixel 2 XL A-37681923 A-68215016 | Logging | Improve anomaly detection metrics | All A-63908720 | Logging | Improve diskstats logging | All A-64101451 | Performance | Improve handover from VoLTE to VoWi-Fi during Emergency calls on certain carriers | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-64586126 | Camera | Improve microvideo performance in Google Camera | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-64610438 | Performance | Reduce delays upon opening specific apps | Pixel 2, Pixel 2 XL A-65175134 | Video | Improve decoding of certain video streams | Pixel, Pixel XL A-65347520 | Performance | Improve fingerprint and keyboard latency in certain situations | Pixel 2, Pixel 2 XL A-65490850 | UI | Adjust notifications when entering or exiting Wi-Fi coverage during a video call | Pixel 2, Pixel 2 XL A-65509134 | Connectivity | Enable IMS911 on certain networks | Pixel 2, Pixel 2 XL, Pixel, Pixel XL A-66951771 | Logging | Detect Wi-Fi Passport statistics for developers | All A-66957450 | Performance | Improve lock screen performance | All A-67094673 | Logging | Improve start time logging | All A-67589241 | Performance | Improve magnetic sensor performance on Pixel 2/Pixel 2 XL | Pixel 2, Pixel 2 XL A-67593274 | Battery | Reduce battery drain after modem issues | Pixel 2, Pixel 2 XL A-67634615 | Stability | Improve modem stability on Pixel and Pixel 2 phones | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-67750231 | UI | Adjust Call Forwarding UI | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-67774904 | Connectivity | Improve multi-calling performance over Wi-Fi | Pixel, Pixel XL A-67777512 | Connectivity | Improve data connectivity for T-Mobile users in parts of Australia | Pixel, Pixel XL A-67882977 | Certification | Update certification | Pixel, Pixel XL A-68150449 A-68059359 A-69797741 A-69378640 A-68824279 | Stability | Improve Wi-Fi stability on Pixel 2 phones | Pixel 2, Pixel 2 XL A-68217064 | Performance | Improve handover to Wi-Fi Calling in low-coverage areas | Pixel 2, Pixel 2 XL A-68398312 | Performance | Improve conference call performance over Wifi | Pixel 2, Pixel 2 XL A-68671462 | Connectivity | Improve VoLTE performance for some carriers | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-68841424 | Connectivity | Adjust APN updating behavior | All A-68863351 | UI | Improve settings app icons | All A-68923696 A-68922470 A-68940490 | Certification | Upgrade certificates to ensure continued service. | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-68931709 | Developer | Add methods to PeerHandle API for developers | All A-68959671 | Connectivity | Update Verizon Service APK for Pixel phones | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-69003183 | Logging | Improve Wi-Fi and RPM logging | Pixel 2, Pixel 2 XL A-69017578 A-68138080 A-68205105 A-70731000 A-69574837 A-68474108 A-70406781 | Connectivity, Performance | Improve connectivity and performance on certain carrier networks | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-69064494 | Performance | Improve notification listening apps | All A-69152057 | Connectivity | Address call forwarding issue. | All A-69209000 | Connectivity | Improve internet connectivity on Pixel 2 on certain WiFi networks | Pixel 2 A-69238007 A-68202289 A-69334308 | Connectivity | Adjust APN settings | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-69261367 A-70512352 | Messaging | Improve MMS messaging performance on certain carriers | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-69275204 | Battery | Adjust battery learned capacity increment and decrement limits | Pixel 2, Pixel 2 XL A-69334266 | Connectivity | Change voice domain to CS for certain carriers | Pixel XL A-69475609 | Performance | Adjust timeouts for Phone App | All A-69672417 | Stability | Improve stability for Pixel 2 devices in certain parts of Canada | Pixel 2, Pixel 2 XL A-69848394 A-68275646 | Performance | Improve instant Apps performance | All A-69870527 | UI | Improve indicators for emergency call connectivity | Pixel 2, Pixel 2 XL A-70045970 | Battery | Optimize search logic to improve battery performance. | Pixel 2, Pixel 2 XL A-70094083 A-70094701 | Battery | Improve battery logging for Pixel 2 and Pixel 2 XL | Pixel 2, Pixel 2 XL A-70214869 | GPS | Improve GPS Time performance on Pixel 2 XL | Pixel 2 XL A-70338906 | Audio | Improve audio speaker performance during phone calls | All A-70398372 | UI | Adjust advanced calling settings for Verizon | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-70576351 | Connectivity | Change to prioritize certain bands | Nexus 5X, Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-70580873 A-70912923 A-71497259 | Connectivity | Improve in-call performance for some carriers | Pixel, Pixel XL, Pixel 2, Pixel 2 XL A-70815434 | Connectivity | Improve network performance on Simyo carrier | Nexus 5X A-71708302 | Logging | Improve connectivity metrics | All A-71983424 | Performance | Improve experience switching between LTE and Wifi | Pixel 2 XL A-72119809 | Connectivity | Improve data performance for devices with certain SIM cards | All A-72175011 | Logging | Improve autofill logging | All A-72797728 A-71599119 | Logging | Improve internal troubleshooting tools | All A-72871435 | Logging | Improve network performance when both VPN and Wi-Fi are enabled | All ## 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 2018-04-05 or later address all issues associated with the 2018-04-05 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](<https://support.google.com/pixelphone/answer/4457705#pixel_phones&nexus_devices>). **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](<https://developers.google.com/android/nexus/drivers>). **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 | April 2, 2018 | Bulletin published. 1.1 | April 4, 2018 | Bulletin revised to include AOSP links. 1.2 | April 10, 2018 | Bulletin revised to update description for A-72871435.


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