[El-errata] New Ksplice updates for RHCK 9 (ELSA-2025-7903)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2025-7903 can now be patched using Ksplice
CVEs: CVE-2025-21756 CVE-2025-21966 CVE-2025-37749

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2025-7903.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2025-7903.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

* CVE-2025-21756: Privilege escalation in Virtual Socket protocol driver.

A logic error when using the Virtual Socket protocol driver could lead
to a use-after-free. A local attacker could use this flaw to escalate
privileges.


* CVE-2025-21966: Denial-of-service in Flakey target driver.

A logic error when using the Flakey target driver could lead to a 
memory corruption. A local attacker could use this flaw to cause a
denial-of-service.


* CVE-2025-37749: Information leak in PPP driver.

A missing check when using the PPP driver could lead to an
out-of-bounds memory access. An attacker could use this flaw
to extract sensitive information.

SUPPORT

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