[El-errata] New Ksplice updates for OL 8 and RHEL 8 (ELSA-2023-0832)

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Fri Mar 10 12:26:27 UTC 2023

Synopsis: ELSA-2023-0832 can now be patched using Ksplice
CVEs: CVE-2022-2873 CVE-2022-41222 CVE-2022-43945

Systems running RHCK on Oracle Linux 8 and Red Hat Enterprise Linux 8
can now use Ksplice to patch against the latest Red Hat kernel update,
More information about this errata can be found at


We recommend that all users of Ksplice Uptrack running OL 8 and RHEL 8
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


* CVE-2022-43945: Out-of-bounds memory access in NFSD.

A logic error in NFSD when a small RPC Call message arrives in an
oversized RPC record can lead to a buffer overflow. A remote attacker
could use this flaw for a denial-of-service or privilege escalation.

* CVE-2022-2873: Out-of-bounds memory access in iSMT.

A missing sanity check for a user controlled value in the Intel's iSMT
SMBus host controller driver when processing an SMBus command may lead
to a memory corruption by writing past the end of a buffer. A local
user could use this flaw for denial-of-service or code execution.

* CVE-2022-41222: Use-after-free in MMU-based Paged Memory Management 

A race condition flaw in MMU-based Paged Memory Management Support due
to improper locking could result in use-after-free when moving page
tables. A local user could use this flaw for denial-of-service or code


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

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