[Ksplice][Ubuntu-Oracle-Updates] New Ksplice updates for Ubuntu OCI kernel (USN-4883-1)

[Oracle Ksplice]

Synopsis: USN-4883-1 can now be patched using Ksplice
CVEs: CVE-2021-27363 CVE-2021-27364 CVE-2021-27365

Systems running Ubuntu OCI kernel can now use Ksplice to patch against
the latest Ubuntu Security Notice, USN-4883-1.

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-2021-27363, CVE-2021-27364, CVE-2021-27365: Priviledge escalation in iSCSI subsystem.

Multiple logic errors failing to check some messages and sysfs
attribute sizes may cause a buffer overflow.  A local attacker could
use this to cause a priviledge escalation.

SUPPORT

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