[El-errata] New Ksplice updates for UEKR7 5.15.0 on OL8 and OL9 (ELSA-2026-50261)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50261 can now be patched using Ksplice
CVEs: CVE-2025-40135 CVE-2025-54518 CVE-2025-68775 CVE-2026-31431

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50261.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50261.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR7 5.15.0 on
OL8 and OL9 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-2025-40135: Use-after-free in IPv6 output subsystem.

Orabug: 38649062


* CVE-2025-54518: Privilege escalation in AMD Zen2 processors.

* CVE-2025-68775: Use-after-free in Generic netlink handshake service.

Orabug: 38847720


SUPPORT

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