[El-errata] New Ksplice updates for UEKR7 5.15.0 on OL8 and OL9 (ELSA-2026-50095)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50095 can now be patched using Ksplice
CVEs: CVE-2023-4015 CVE-2023-5197 CVE-2025-38566 CVE-2025-38571 CVE-2025-40215 CVE-2025-40256 CVE-2025-40258 CVE-2025-68209 CVE-2025-68325

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50095.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50095.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-2025-38566: Remote denial-of-service in SUNRPC.

Orabug: 38334968


* CVE-2025-38571: Use-after-free in NFS over TLS.

Orabug: 38334981


* CVE-2025-40256, CVE-2025-40215: Race condition in XFRM subsystem.

Orabug: 38730492


* CVE-2025-40258: Use-after-free in MPTCP: Multipath TCP driver.

* CVE-2025-68209: Null pointer dereference in Mellanox devices driver.

Orabug: 38420735


* CVE-2025-68325: Null pointer dereference in CAKE network scheduler.

* Missing ARMv8.7 PMU support in KVM subsystem.

Orabug: 38784458


SUPPORT

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