CVE-2019-14575

Un problema lógico en la función DxeImageVerificationHandler() para EDK II, puede habilitar a un usuario autenticado para permitir potencialmente una escalada de privilegios por medio de un acceso local

A buffer overflow was discovered in the network stack. An unprivileged user could potentially enable escalation of privilege and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. A buffer overflow was discovered in BlockIo service. An unauthenticated user could potentially enable escalation of privilege, information disclosure and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. Various other issues were also addressed.