[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2022-9557)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2022-9557 can now be patched using Ksplice
CVEs: CVE-2022-1652 CVE-2022-28388 CVE-2022-28390

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2022-9557.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2022-9557.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-2022-28390: Code execution in EMS CPC-USB/ARM7 CAN/USB interface.

A double-free flaw in data transmission path of EMS CPC-USB/ARM7 CAN/USB
interface could result in memory leaks and data corruption. A local user
could use this flaw for a denial-of-service or code execution.

Orabug: 34048329


* CVE-2022-28388: Code execution in 8devices USB2CAN interface.

A double-free in the USB2CAN interface from 8devices could result in
memory leaks and data corruption.  A local user could use this flaw for
a denial-of-service or code execution.

Orabug: 34048290


* CVE-2022-1652: Use-after-free in the floppy driver.

An error in concurrency logic of the floppy driver could lead to a
use-after-free. A local unprivileged user could use this flaw to cause
denial-of-service or potentially escalate privileges.

Orabug: 34218641

SUPPORT

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