[El-errata] New Ksplice updates for RHCK 9 (ELSA-2024-12149)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2024-12149 can now be patched using Ksplice
CVEs: CVE-2023-4623

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2024-12149.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2024-12149.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running RHCK 9 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

* Enable livepatching of jump labels.




* Export a useable version of module_kallsyms_on_each_symbol.




* Prepare Ksplice options for entry/common.c.




* Provide an interface to freeze tasks.




* CVE-2023-4623: Use-after-free in in the Traffic Control subsystem.

A flaw in net/sched: sch_hfsc component may lead to a use-after-free. A
local user could use this flaw for privilege escalation.

SUPPORT

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