[El-errata] New Ksplice updates for Oracle Enhanced RHCK 7 (ELSA-2022-5937)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2022-5937 can now be patched using Ksplice
CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21127 CVE-2022-21166

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2022-5937.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2022-5937.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Oracle Enhanced
RHCK 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-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166: Information leak using processor MMIO stale data.

A side-channel information leak on some generations of Intel
processors could allow the leaking of internal microarchitectural
buffers when MMIO is in used.

Updated microcode is required for this vulnerability to be mitigated.

SUPPORT

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