[Ksplice][Ubuntu-20.04-Updates] New Ksplice updates for Ubuntu 20.04 Focal (USN-5589-1)

[Oracle Ksplice]

Synopsis: USN-5589-1 can now be patched using Ksplice
CVEs: CVE-2021-33656

Systems running Ubuntu 20.04 Focal can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5589-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 20.04
Focal 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-2021-33656: Out-of-bounds write access in Virtual Terminal.

A flaw in ioctls of Virtual Terminal could result in out-of-bounds write
access when setting font with malicious data by some ioctl commands.
A local user could use this flaw for a denial-of-service or code
execution.

SUPPORT

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