Overview

In some circumstances, some operating systems or hypervisors may not expect or properly handle an Intel architecture hardware debug exception. The error appears to be due to developer interpretation of existing documentation for certain Intel architecture interrupt/exception instructions, namely MOV to SS and POP to SS.

#gnu #linux #kernel

Vulnerability Note VU#631579 - Hardware debug exception documentation may result in unexpected behavior - https://www.kb.cert.org/vuls/id/631579