[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2018-4210)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2018-4210 can now be patched using Ksplice
CVEs: CVE-2018-14678 CVE-2018-3620 CVE-2018-3646

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2018-4210.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR4 4.1.12 on
OL6 and OL7 install these updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2018-14678: Privilege escalation in Xen PV guests.

Incorrect register accounting during paravirtualized failsafe callbacks
could result in the use of uninitialized memory and a kernel crash or
potentially escalation of privileges in a paravirtualized guest.

Orabug: 28402927


* Improved fix to CVE-2018-3620, CVE-2018-3646: Information leak in Intel CPUs under terminal fault.

The original fix for L1 Terminal Fault/Foreshadow could prevent loading
of microcode when hyperthreading was disabled or failure to mprotect
specific memory mappings.

Orabug: 28488808

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.