[Ksplice][Ubuntu-18.04-Updates] New Ksplice updates for Ubuntu 18.04 Bionic (USN-5591-3)

[Oracle Ksplice]

Synopsis: USN-5591-3 can now be patched using Ksplice
CVEs: CVE-2021-33656 CVE-2022-32981

Systems running Ubuntu 18.04 Bionic can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5591-3.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 18.04
Bionic 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.


* Note: Oracle has determined that CVE-2022-32981 are not applicable.

Oracle has determined that CVE-2022-32981 is not applicable to x86.
Applying the patch has no resulting changes in the generated object
files.

SUPPORT

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