[Ksplice][Ubuntu-22.04-Updates] New Ksplice updates for Ubuntu 22.04 Jammy (USN-5469-1)

[Oracle Ksplice]

Synopsis: USN-5469-1 can now be patched using Ksplice
CVEs: CVE-2022-1972 CVE-2022-32250

Systems running Ubuntu 22.04 Jammy can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-5469-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Ubuntu 22.04
Jammy 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-2022-32250: 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.


* CVE-2022-1972: Unchecked netfilter field desc allows out-of-bounds write.

Missing validation of netfilter field desc structures could allow for an
out-of-bounds write. A malicious user could exploit this to escalate
their privileges or execute arbitrary code.

SUPPORT

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