CVE-2021-39792
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read...
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161010552References: Upstream kernel
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
4.1
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161010552References: Upstream kernel
- Record
CVE-2021-39792- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 1.9 Low
AV:L/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161010552References: Upstream kernel
- Record
CVE-2021-39792- Updated
- 2026-11-02
EUVDEUVD-2021-26149 No score
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161010552References: Upstream kernel
- Record
EUVD-2021-26149- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cpgw-3398-vj5w
4.1
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read...
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161010552References: Upstream kernel
- Record
GHSA-cpgw-3398-vj5w- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-362
- Updated
- 2026-11-02
OSVPUB-A-161010552 No score
In usb_gadget_giveback_request of core.c, there is a possible use after free out of bounds read due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-161010552- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:linux_kernel:Android |
:0 up to :2022-03-05, plus listed versions Kernel |
:2022-03-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39792 is a medium vulnerability (CVSS 4.1) in Google Android, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. Fixed in :linux_kernel: :2022-03-05.