[Ksplice][EL7-Updates] New Ksplice updates for OL 7, RHEL 7, CentOS 7, and Scientific Linux 7 (ELSA-2021-4777)

[Oracle Ksplice]

Synopsis: ELSA-2021-4777 can now be patched using Ksplice
CVEs: CVE-2020-36385

Systems running RHCK on Oracle Linux 7, Red Hat Enterprise Linux 7,
CentOS 7, and Scientific Linux 7 can now use Ksplice to patch against
the latest Red Hat kernel update, ELSA-2021-4777.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-4777.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running OL 7, RHEL 7,
CentOS 7, and Scientific Linux 7 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-2020-36385: Use-after-free in RDMA communication manager due to a race condition.

A race condition could happen in RDMA communication manager leading
to a use-after-free when closing UCMA file. 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.