ALAS2-2019-1164 --- systemdID: oval:org.secpod.oval:def:1700139 | Date: (C)2019-06-19 (M)2023-12-20 |
Class: PATCH | Family: unix |
It was found that bus_process_object in bus-objects.c allocates a buffer on the stack large enough to temporarily store the object path specified in the incoming message. A malicious unprivileged local user to send a message which results in the stack pointer moving outside of the bounds of the currently mapped stack region, jumping over the stack guard pages. A specifically crafted DBUS nessage could crash PID 1 and result in a subsequent kernel panic.