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
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
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
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/53afb231f54a69d827b882fa282b30bb10cb08a5
- https://android.googlesource.com/kernel/common/+/b4604acd52a691c2fd33ad0a0fafb7cc19dee5de
- https://android.googlesource.com/kernel/common/+/d3c17d5e271ab688cb117330ec85e125ebf24d88
- https://source.android.com/security/bulletin/2022-03-01