A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25395
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5