In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327. CREATE(Triage):(User=admin) [CVE-2021-0342|https://nvd.nist.gov/vuln/detail/CVE-2021-0342]
