[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELBA-2022-9004)

[Errata Announcements for Oracle Linux]

Synopsis: ELBA-2022-9004 can now be patched using Ksplice
CVEs: CVE-2021-3659 CVE-2021-43389

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Bug Fix Advisory, ELBA-2022-9004.
More information about this errata can be found at
https://linux.oracle.com/errata/ELBA-2022-9004.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-2021-3659: Denial-of-service in security key addition for Generic 
IEEE 802.15.4 Soft Networking Stack.

A flaw in link-layer security key addition for Generic IEEE 802.15.4 Soft
Networking Stack could lead to a system crash. A local attacker could
use this to cause a denial of service.

Orabug: 33556911


* CVE-2021-43389: Out-of-bounds access in ISDN CAPI due to a race condition.

A race condition in Kernel CAPI Interface of the ISDN CAPI
implementation could result in an out-of-bounds access. A privileged
local user could use this flaw to cause a denial-of-service or execute
arbitrary code.

Orabug: 33617286

SUPPORT

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