CVE-2021-39685
Published on: Not Yet Published
Last Modified on: 03/23/2022 04:20:00 PM UTC
Certain versions of Android from Google contain the following vulnerability:
In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag 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-210292376References: Upstream kernel
- CVE-2021-39685 has been assigned by
[email protected] to track the vulnerability - currently rated as HIGH severity.
CVSS3 Score: 7.8 - HIGH
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
---|---|---|---|
LOCAL | LOW | LOW | NONE |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
UNCHANGED | HIGH | HIGH | HIGH |
CVSS2 Score: 7.2 - HIGH
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
LOCAL | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
COMPLETE | COMPLETE | COMPLETE |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
Android Security Bulletin—March 2022 | Android Open Source Project | source.android.com text/html |
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Related QID Numbers
- 159727 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel-container (ELSA-2022-9245)
- 159729 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9244)
- 179012 Debian Security Update for linux (DSA 5050-1)
- 179117 Debian Security Update for linux (DSA 5096-1)
- 179118 Debian Security Update for linux (DLA 2940-1)
- 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
- 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
- 198667 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-1)
- 198674 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-2)
- 198676 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5297-1)
- 198678 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5298-1)
- 198708 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5337-1)
- 198731 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5368-1)
- 353242 Amazon Linux Security Advisory for kernel : ALAC2012-2022-036
- 353243 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2022-037
- 353244 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2022-038
- 376925 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0125)
- 610401 Google Android Devices March 2022 Security Patch Missing
- 610408 Google Android April 2022 Security Patch Missing for Huawei EMUI
- 610409 Google Android April 2022 Security Patch Missing for Samsung
- 671448 EulerOS Security Update for kernel (EulerOS-SA-2022-1450)
- 671474 EulerOS Security Update for kernel (EulerOS-SA-2022-1429)
- 671505 EulerOS Security Update for kernel (EulerOS-SA-2022-1489)
- 671535 EulerOS Security Update for kernel (EulerOS-SA-2022-1508)
- 751700 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0363-1)
- 751704 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0370-1)
- 752005 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0370-1)
- 753172 SUSE Enterprise Linux Security Update for the Linux RT Kernel (SUSE-SU-2022:0543-1)
- 753212 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0363-1)
Exploit/POC from Github
CVE-2021-39685 Description and sample exploit for Linux USB Gadget overflow vulnerability
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Operating System | Android | - | All | All | All |
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE
Social Mentions
Source | Title | Posted (UTC) |
---|---|---|
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Exploit for CVE-2021-39685 exploit ift.tt/3yrJZsA ift.tt/3DZaZAE | 2021-12-16 00:05:19 |
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CVE-2021-39685 : Linux Kernel USB Gadget buffer overflow openwall.com/lists/oss-secu… | 2021-12-18 04:17:06 |
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IT Risk: Debian.Multiple vulnerabilities in the linux kernel -2/2 CVE-2021-39685 CVE-2021-28715 CVE-2021-28714 CVE-… twitter.com/i/web/status/1… | 2022-01-21 03:39:51 |
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Linux Kernel の USB gadget の処理に特権を奪われる問題 (CVE-2021-39685) [41117] sid.softek.jp/content/show/4… #SIDfm #脆弱性情報 | 2022-01-24 06:04:27 |
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IT Risk: Ubuntu.Linux kernel (OEM)に複数の脆弱性 -2/2 CVE-2021-39685 CVE-2021-4001 CVE-2021-4083 CVE-2021-4135 CVE-2021-41… twitter.com/i/web/status/1… | 2022-02-09 11:40:41 |
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cve.report/CVE-2021-39685 In various setup methods of the USB gadget subsystem, there is a possible out of bounds wr… twitter.com/i/web/status/1… | 2022-03-16 16:20:14 |
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MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Google Android OS and Pixel Could Allow for Remote Code Execution - PATCH: NOW | 2022-03-08 22:01:38 |
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CVE-2021-39685 | 2022-03-16 17:38:44 |
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Samsung April 2022 Security Patch Details | 2022-04-05 06:51:02 |