CVE-2021-39685

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

Affected

Android

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.46% chance of exploitation in the next 30 days, 39th percentile

Published

2022-03-16

Updated

2024-08-04

Proof-of-concept exploits (2)

• szymonh/android-gadget5★ · 2023-08-06
• szymonh/inspector-gadget14★ · 2022-04-28

Security advisories

• https://source.android.com/security/bulletin/2022-03-01

References

• CVE Record
• NVD entry

Related

• CVE-2021-3625
• CVE-2022-20009
• CVE-2022-25258
• CVE-2022-25375