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A vulnerability that stores IMSI values in an improper path prior to SMR APR-2021 Release 1 allows local attackers to access IMSI values without any permission via untrusted applications.

An improper SELinux policy prior to SMR APR-2021 Release 1 allows local attackers to access AP information without proper permissions via untrusted applications.

An improper input validation vulnerability in libswmfextractor library prior to SMR APR-2021 Release 1 allows attackers to execute arbitrary code on mediaextractor process.

An improper access control vulnerability in stickerCenter prior to SMR APR-2021 Release 1 allows local attackers to read or write arbitrary files of system process via untrusted applications.

An improper permission management in CertInstaller prior to SMR APR-2021 Release 1 allows untrusted applications to delete certain local files.

An improper access control in ActivityManagerService prior to SMR APR-2021 Release 1 allows untrusted applications to access running processesdelete some local files.

A pendingIntent hijacking vulnerability in Secure Folder prior to SMR APR-2021 Release 1 allows unprivileged applications to access contact information.

An improper exception control in softsimd prior to SMR APR-2021 Release 1 allows unprivileged applications to access the API in softsimd.

An issue was discovered on LG mobile devices with Android OS 11 software. Attackers can bypass the lockscreen protection mechanism after an incoming call has been terminated. The LG ID is LVE-SMP-210002 (April 2021).

An issue was discovered on LG mobile devices with Android OS 4.4 through 11 software. Attackers can leverage ISMS services to bypass access control on specific content providers. The LG ID is LVE-SMP-210003 (April 2021).