[El-errata] New Ksplice updates for UEKR6 5.4.17 on OL7 and OL8 (ELSA-2022-9211)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2022-9211 can now be patched using Ksplice
CVEs: CVE-2022-0847

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2022-9211.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2022-9211.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR6 5.4.17 on
OL7 and OL8 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-2022-0847: Privilege escalation in pipe buffers.

A flaw in the initialization of pipe buffers may allow reading of
stale data from the underlying page cache.  A local user could use
this flaw to write to read-only files or escalate privileges.

Orabug: 33942329

SUPPORT

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