[Ksplice][Ubuntu-Oracle-Updates] New Ksplice updates for Ubuntu OCI kernel (USN-4489-1)

[Oracle Ksplice]

Synopsis: USN-4489-1 can now be patched using Ksplice
CVEs: CVE-2021-3640 CVE-2021-42739

Systems running Ubuntu OCI kernel can now use Ksplice to patch against
the latest Ubuntu Security Notice, USN-4489-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu OCI
kernel 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-2021-42739: Buffer overflow in FireDTV firewire DVB receiver driver.

The FireDTV firewire DVB receiver driver contains a buffer overflow when
processing a Program Map Table entry. A malicious device might exploit
this to overwrite memory and cause a denial-of-service.


* CVE-2021-3640: Privilege escalation in Bluetooth Classic due to use-after-free.

A race condition flaw in ioctls of Bluetooth Classic could lead to
use-after-free. A privileged local user could use this flaw to cause
a denial-of-service or escalate their privileges on the system.

SUPPORT

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