[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2019-4739)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2019-4739 can now be patched using Ksplice
CVEs: CVE-2019-13631

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2019-4739.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2019-4739.html

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

* XSA-300: Denial-of-service in Xen memory ballooning.

A logic error in the Xen memory balloon device driver could result in
exhaustion of resources or crashes of the backend device drivers
resulting in IO stalls or guest failures.  A local privileged user could
use this flaw to cause a denial of service.

Orabug: 30073695


* CVE-2019-13631: Denial-of-service in GTCO CalComp/InterWrite tablet.

Missing range checks could allow an out-of-bounds stack memory write
when parsing USB descriptors.  A physically present user could use a
malicious device to trigger an out-of-bounds access leading to a kernel
crash.

Orabug: 30074413

SUPPORT

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