[Ksplice][Ubuntu-19.04-Updates] New Ksplice updates for Ubuntu 19.04 Disco (USN-4135-1)

[Oracle Ksplice]

Synopsis: USN-4135-1 can now be patched using Ksplice
CVEs: CVE-2019-14835

Systems running Ubuntu 19.04 Disco can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-4135-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 19.04
Disco 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-2019-14835: Privilege escalation during live migration of guest.

A failure to check for guest creating a zero length queue in the vhost driver
can lead to a buffer overflow in the host kernel.  A guest virtual machine
could use this flaw to crash the host or potentially escalate privileges when
the virtual machine is live migrated.

SUPPORT

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