CVE-2022-20373
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race...
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. 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-208269510References: N/A
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. 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-208269510References: N/A
- Record
CVE-2022-20373- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. 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-208269510References: N/A
- Record
CVE-2022-20373- Updated
- 2026-11-02
EUVDEUVD-2022-25633 No score
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. 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-208269510References: N/A
- Record
EUVD-2022-25633- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rcf7-88xj-wgjc
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race...
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. 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-208269510References: N/A
- Record
GHSA-rcf7-88xj-wgjc- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-362
- Updated
- 2026-11-02
OSVPUB-A-208269510 No score
In st21nfc_loc_set_polaritymode of fc/st21nfc.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-208269510- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
:0 up to :2022-08-05, plus listed versions Kernel |
:2022-08-05 |
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-2022-20373 is a medium vulnerability (CVSS 6.4) in Google Android, published August 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. Fixed in :unknown: :2022-08-05.