Headline
CVE-2022-20116: Android Security Bulletin—May 2022 | Android Open Source Project
In onEntryUpdated of OngoingCallController.kt, it is possible to launch non-exported activities due to intent redirection. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-212467440
Published May 2, 2022 | Updated May 3, 2022
The Android Security Bulletin contains details of security vulnerabilities affecting Android devices. Security patch levels of 2022-05-05 or later address all of these issues. To learn how to check a device’s security patch level, see Check and update your Android version.
Android partners are notified of all issues at least a month before publication. Source code patches for these issues will be released to the Android Open Source Project (AOSP) repository in the next 48 hours. We will revise this bulletin with the AOSP links when they are available.
The most severe of these issues is a high security vulnerability in the Framework component that could lead to local escalation of privilege with User execution privileges needed. The severity assessment is based on the effect that exploiting the vulnerability would possibly have on an affected device, assuming the platform and service mitigations are turned off for development purposes or if successfully bypassed.
Refer to the Android and Google Play Protect mitigations section for details on the Android security platform protections and Google Play Protect, which improve the security of the Android platform.
Android and Google service mitigations
This is a summary of the mitigations provided by the Android security platform and service protections such as Google Play Protect. These capabilities reduce the likelihood that security vulnerabilities could be successfully exploited on Android.
- Exploitation for many issues on Android is made more difficult by enhancements in newer versions of the Android platform. We encourage all users to update to the latest version of Android where possible.
- The Android security team actively monitors for abuse through Google Play Protect and warns users about Potentially Harmful Applications. Google Play Protect is enabled by default on devices with Google Mobile Services, and is especially important for users who install apps from outside of Google Play.
2022-05-01 security patch level vulnerability details
In the sections below, we provide details for each of the security vulnerabilities that apply to the 2022-05-01 patch level. Vulnerabilities are grouped under the component they affect. Issues are described in the tables below and include CVE ID, associated references, type of vulnerability, severity, and updated 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. Devices with Android 10 and later may receive security updates as well as Google Play system updates.
Framework
The most severe vulnerability in this section could lead to local escalation of privilege with User execution privileges needed.
CVE
References
Type
Severity
Updated AOSP versions
CVE-2021-39662
A-197302116
EoP
High
11, 12
CVE-2022-20004
A-179699767
EoP
High
10, 11, 12, 12L
CVE-2022-20005
A-219044664
EoP
High
10, 11, 12, 12L
CVE-2022-20007
A-211481342
EoP
High
10, 11, 12, 12L
CVE-2021-39700
A-201645790
ID
Moderate
10, 11, 12
System
The most severe vulnerability in this section could lead to local escalation of privilege with no additional execution privileges needed.
CVE
References
Type
Severity
Updated AOSP versions
CVE-2022-20113
A-205996517
EoP
High
12, 12L
CVE-2022-20114
A-211114016
EoP
High
10, 11, 12, 12L
CVE-2022-20116
A-212467440
EoP
High
12, 12L
CVE-2022-20010
A-213519176
ID
High
12, 12L
CVE-2022-20011
A-214999128
ID
High
10, 11, 12, 12L
CVE-2022-20115
A-210118427
ID
High
12, 12L
CVE-2021-39670
A-204087139
DoS
High
12, 12L
CVE-2022-20112
A-206987762
DoS
High
10, 11, 12, 12L
Google Play system updates
The following issues are included in Project Mainline components.
Component
CVE
MediaProvider
CVE-2021-39662
2022-05-05 security patch level vulnerability details
In the sections below, we provide details for each of the security vulnerabilities that apply to the 2022-05-05 patch level. Vulnerabilities are grouped under the component they affect. Issues are described in the tables below and include CVE ID, associated references, type of vulnerability, severity, and updated 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.
Kernel components
The most severe vulnerability in this section could lead to local escalation of privilege in system libraries with no additional execution privileges needed.
CVE
References
Type
Severity
Component
CVE-2022-0847
A-220741611
Upstream kernel [2] [3]
EoP
High
pipes
CVE-2022-20009
A-213172319
Upstream kernel [2]
EoP
High
Linux
CVE-2022-20008
A-216481035
Upstream kernel [2] [3]
ID
High
SD MMC
CVE-2021-22600
A-213464034
Upstream kernel
EoP
Moderate
Kernel
MediaTek components
These vulnerabilities affect MediaTek components and further details are available directly from MediaTek. The severity assessment of these issues is provided directly by MediaTek.
CVE
References
Severity
Component
CVE-2022-20084
A-223071148
M-ALPS06498874 *
High
telephony
CVE-2022-20109
A-223072269
M-ALPS06399915 *
High
ion
CVE-2022-20110
A-223071150
M-ALPS06399915 *
High
ion
Qualcomm components
These vulnerabilities affect Qualcomm components and are described in further detail in the appropriate Qualcomm security bulletin or security alert. The severity assessment of these issues is provided directly by Qualcomm.
CVE
References
Severity
Component
CVE-2022-22057
A-218337595
QC-CR#3077687
High
Display
CVE-2022-22064
A-218338071
QC-CR#3042282
QC-CR#3048959
QC-CR#3056532
QC-CR#3049158 [2]
High
WLAN
CVE-2022-22065
A-218337597
QC-CR#3042293
QC-CR#3064612
High
WLAN
CVE-2022-22068
A-218337596
QC-CR#3084983 [2]
High
Kernel
CVE-2022-22072
A-218339149
QC-CR#3073345 [2]
High
WLAN
Qualcomm closed-source components
These vulnerabilities affect Qualcomm closed-source components and are described in further detail in the appropriate Qualcomm security bulletin or security alert. The severity assessment of these issues is provided directly by Qualcomm.
CVE
References
Severity
Component
CVE-2021-35090
A-204905205*
Critical
Closed-source component
CVE-2021-35072
A-204905110*
High
Closed-source component
CVE-2021-35073
A-204905209*
High
Closed-source component
CVE-2021-35076
A-204905151*
High
Closed-source component
CVE-2021-35078
A-204905326*
High
Closed-source component
CVE-2021-35080
A-204905287*
High
Closed-source component
CVE-2021-35086
A-204905289*
High
Closed-source component
CVE-2021-35087
A-204905111*
High
Closed-source component
CVE-2021-35094
A-204905838*
High
Closed-source component
CVE-2021-35096
A-204905290*
High
Closed-source component
CVE-2021-35116
A-209469826*
High
Closed-source component
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?
To learn how to check a device’s security patch level, see Check and update your Android version.
- Security patch levels of 2022-05-01 or later address all issues associated with the 2022-05-01 security patch level.
- Security patch levels of 2022-05-05 or later address all issues associated with the 2022-05-05 security patch level and all previous patch levels.
Device manufacturers that include these updates should set the patch string level to:
- [ro.build.version.security_patch]:[2022-05-01]
- [ro.build.version.security_patch]:[2022-05-05]
For some devices on Android 10 or later, the Google Play system update will have a date string that matches the 2022-05-01 security patch level. Please see this article for more details on how to install security updates.
2. Why does this bulletin have two security patch levels?
This bulletin has two security patch levels so that Android partners have the flexibility to fix a subset of vulnerabilities that are similar across all Android devices more quickly. Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level.
- Devices that use the 2022-05-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.
- Devices that use the security patch level of 2022-05-05 or newer must include all applicable patches in this (and previous) security bulletins.
Partners are encouraged to bundle the fixes for all issues they are addressing in a single update.
3. 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
4. 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
U-
UNISOC reference number
5. 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 corresponding reference ID. The update for that issue is generally contained in the latest binary drivers for Pixel devices available from the Google Developer site.
6. Why are security vulnerabilities split between this bulletin and device / partner security bulletins, such as the Pixel bulletin?
Security vulnerabilities that are documented in this security bulletin are required to declare the latest security patch level on Android devices. Additional security vulnerabilities that are documented in the device / partner security bulletins are not required for declaring a security patch level. Android device and chipset manufacturers may also publish security vulnerability details specific to their products, such as Google, Huawei, LGE, Motorola, Nokia, or Samsung.
Versions
Version
Date
Notes
1.0
May 2, 2022
Bulletin Published
1.1
May 3, 2022
Bulletin revised to include AOSP links
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