Headline
CVE-2022-20397: Pixel Update Bulletin—October 2022 | Android Open Source Project
In SitRilClient_OnResponse of SitRilSe.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-223086933References: N/A
Published October 3, 2022
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 2022-10-05 or later address all issues in this bulletin and all issues in the October 2022 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 2022-10-05 patch level. We encourage all customers to accept these updates to their devices.
Announcements
- In addition to the security vulnerabilities described in the October 2022 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.
Pixel
CVE
References
Type
Severity
Component
CVE-2022-20231
A-211485702 *
EoP
Critical
Trusty
CVE-2022-20364
A-233606615 *
EoP
Critical
Kernel
CVE-2022-20397
A-223086933 *
EoP
High
libsitril-se
CVE-2022-20464
A-236042696 *
ID
High
Audio processor
Qualcomm components
CVE
References
Severity
Subcomponent
CVE-2022-22078
A-228096042
QC-CR#2784147 [2]
Moderate
Bootloader
CVE-2022-25664
A-228095839
QC-CR#3092515
Moderate
Display
CVE-2022-25666
A-228095650
QC-CR#3097037
Moderate
Kernel
Qualcomm closed-source components
CVE
References
Severity
Subcomponent
CVE-2022-25662
A-228096097 *
Moderate
Closed-source component
CVE-2022-25665
A-228096044 *
Moderate
Closed-source component
Functional patches
For details on the new bug fixes and functional patches included in this release, refer to the Pixel Community forum.
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 2022-10-05 or later address all issues associated with the 2022-10-05 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
U-
UNISOC 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
October 3, 2022
Bulletin Published
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In smc_intc_request_fiq of arm_gic.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-211485702References: N/A
In smc_intc_request_fiq of arm_gic.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-211485702References: N/A
Categories: Exploits and vulnerabilities Categories: News Tags: Google Tags: Pixel Tags: critical Tags: CVE-2022-20364 Tags: CVE-2022-20231 Tags: Trusty Tags: Kernel Google’s Pixel Update Bulletin for September included two security patches that are Pixel specific. (Read more...) The post Update now! Google patches vulnerabilities for Pixel mobile phones appeared first on Malwarebytes Labs.
Categories: Exploits and vulnerabilities Categories: News Tags: Google Tags: Pixel Tags: critical Tags: CVE-2022-20364 Tags: CVE-2022-20231 Tags: Trusty Tags: Kernel Google’s Pixel Update Bulletin for September included two security patches that are Pixel specific. (Read more...) The post Update now! Google patches vulnerabilities for Pixel mobile phones appeared first on Malwarebytes Labs.
Unpatched Pixel devices are at risk for escalation of privileges, Google warns.
Unpatched Pixel devices are at risk for escalation of privileges, Google warns.