[Ksplice-cloudlinux6-updates] New Ksplice updates for CloudLinux 6 (2.6.32-954.3.5.lve1.4.78.el6)

[Oracle Ksplice]

Synopsis: 2.6.32-954.3.5.lve1.4.78.el6 can now be patched using Ksplice
CVEs: CVE-2018-12207 CVE-2019-0154 CVE-2019-0155

Systems running CloudLinux 6 can now use Ksplice to patch against the
latest CloudLinux 6 kernel update, 2.6.32-954.3.5.lve1.4.78.el6.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running CloudLinux 6
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-2019-0155: Privilege escalation in Intel i915 graphics driver.

Missing validation of MMIO commands to the Intel i915 device driver could
result in illicit page table modifications. An attacker could use this to
access sensitive information or elevate privileges.


* CVE-2019-0154: Denial-of-service in Intel i915 graphics driver.

Due to a hardware error, the Intel i915 device state could get corrupted.
A malicious user could use this to cause denial-of-service.


* CVE-2018-12207: Machine Check Exception on page size change.

A hardware bug in Intel x86 processors can result in a Machine Check Exception
when a page table mapping for currently executing instructions is changed. A
privileged user in a guest VM could use this flaw to crash the host, leading to
a denial-of-service.

SUPPORT

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