FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

FreeBSD -- Machine Check Exception on Page Size Change

Affected packages
12.1 <= FreeBSD-kernel < 12.1_1
12.0 <= FreeBSD-kernel < 12.0_12
11.3 <= FreeBSD-kernel < 11.3_5


VuXML ID edc0bf7e-05a1-11ea-9dfa-f8b156ac3ff9
Discovery 2019-11-14
Entry 2019-11-25

Intel discovered a previously published erratum on some Intel platforms can be exploited by malicious software to potentially cause a denial of service by triggering a machine check that will crash or hang the system.

Malicious guest operating systems may be able to crash the host.


CVE Name CVE-2018-12207
FreeBSD Advisory SA-19:25.mcepsc