[El-errata] New Ksplice updates for UEKR8 6.12.0 on OL9 and OL10 (ELSA-2026-50293)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50293 can now be patched using Ksplice
CVEs: CVE-2025-10263 CVE-2026-43084 CVE-2026-46243

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50293.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50293.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR8 6.12.0 on
OL9 and OL10 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-2025-10263: Racy TLB invalidation on Arm64 CPUs.

* CVE-2026-43084: Use-after-free in Netfilter NFQUEUE over NFNETLINK.

* CVE-2026-46243: Overly permissive privilege checks in Kerberos/SPNEGO driver.

Orabug: 39474418


* Memory leak in TUN/TAP device driver.

Orabug: 39456024


SUPPORT

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