CVE-2021-1048
In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: Upstream kernel
- Score
- CVSS 3.1 7.8 High
- Status
- Analyzed - security@android.com
- Published
- 2021-12-15
- Last modified
- 2025-10-21
- Known exploited (CISA KEV)
- since 2022-05-23, action due 2022-06-13: Apply updates per vendor instructions.
- Weaknesses
- CWE-416
Affected products
References
- https://source.android.com/security/bulletin/2021-11-01
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1048