[Ksplice][EL7-Updates] New Ksplice updates for OL 7, RHEL 7, CentOS 7, and Scientific Linux 7 (ELSA-2022-1198)

[Oracle Ksplice]

Synopsis: ELSA-2022-1198 can now be patched using Ksplice
CVEs: CVE-2021-4028 CVE-2021-4083

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-2022-1198.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2022-1198.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-2021-4083: Race condition in garbage collection of BSD Unix domain sockets.

Possible race condition in BSD Unix domain sockets garbage collection
could result in a read-after-free error. A local user could use this
flaw to cause denial-of-service or privileges escalation.


* CVE-2021-4028: User-after-free on in RDMA communications manager.

A logic error in RDMA communications manager code to allow an attacker to
setup a socket and cause use-after-free. A local user could use this flaw to
crash the system or possibly escalate privileges on the system.

SUPPORT

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