CVE-2019-1998

CVE-2019-1998 is a denial-of-service vulnerability affecting Android 9, stemming from possible resource exhaustion in the keymaster_app.c event_handler. This flaw can lead to a local denial of service that persists even after a factory reset, requiring no user interaction or additional privileges for exploitation. Rated 5.5 (Medium) on the CVSS scale, the attack vector is local with low complexity, resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.