New Ksplice updates has been released for UEKR4 4.1.12 on Oracle Linux 6 and 7.

El-errata: New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2022-9667)

Synopsis: ELSA-2022-9667 can now be patched using Ksplice
CVEs: CVE-2022-0492 CVE-2022-1966 CVE-2022-32250 CVE-2022-33981

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2022-9667.
More information about this errata can be found at
  https://linux.oracle.com/errata/ELSA-2022-9667.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR4 4.1.12 on
OL6 and OL7 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-2022-0492: Privilege escalation in Control Groups feature.

A missing capabilities check flaw in the Control Groups feature when
setting release_agent in the initial user namespace could result in
bypassing namespace isolation. A local user could use this flaw to
escalate privilege.

Orabug: 33825689

* CVE-2022-33981: Denial-of-service in Floppy Disk support.

A logic flaw in ioctls of Floppy Disk support could result in
use-after-free. A local use could use this flaw for a denial-of-service.

Orabug: 34308428

* CVE-2022-1966, CVE-2022-32250: Code execution in Netfilter due to
use-after-free.

A flaw in nftables API of the Netfilter subsystem when removing stateful
expressions could result in a use-after-free. A local user could use
this flaw to cause a denial-of-service or execute arbitrary code.

Orabug: 34247343

SUPPORT

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


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