CVE-2021-39656
Summary
| CVE | CVE-2021-39656 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-12-15 19:15:00 UTC |
| Updated | 2021-12-20 22:16:00 UTC |
| Description | In __configfs_open_file of file.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049066References: Upstream kernel |
Risk And Classification
Problem Types: CWE-416 | CWE-667
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Pixel Update Bulletin—December 2021 | Android Open Source Project | MISC | source.android.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 180344 Debian Security Update for linux (CVE-2021-39656)
- 610384 Google Pixel Android December 2021 Security Patch Missing
- 610392 Google Android January 2022 Security Patch Missing for Huawei EMUI
- 671367 EulerOS Security Update for kernel (EulerOS-SA-2022-1308)
- 671498 EulerOS Security Update for kernel (EulerOS-SA-2022-1466)