[El-errata] New Ksplice updates for UEKR8 6.12.0 on OL9 and OL10 (ELSA-2026-50319)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50319 can now be patched using Ksplice
CVEs: CVE-2026-23272 CVE-2026-31419 CVE-2026-31504 CVE-2026-31533 CVE-2026-31657 CVE-2026-31669 CVE-2026-43037 CVE-2026-43074 CVE-2026-43499 CVE-2026-46113 CVE-2026-46116 CVE-2026-53163

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50319.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50319.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-2026-23272: Use-after-free in Netfilter driver.

Orabug: 39562729


* CVE-2026-31419: Use-after-free in Bonding driver.

Orabug: 39556377


* CVE-2026-31504: Use-after-free in Packet socket driver.

Orabug: 39556380


* CVE-2026-31533: Use-after-free in Transport Layer Security driver.

Orabug: 39556386


* CVE-2026-31657: Use-after-free in Bridge Loop Avoidance driver.

Orabug: 39556388


* CVE-2026-31669: Use-after-free in MPTCP: Multipath TCP driver.

Orabug: 39556381


* CVE-2026-43037: Out-of-bounds write in IPv6: IP-in-IPv6 tunnel (RFC2473) driver.

Orabug: 39556341


* CVE-2026-43074: Use-after-free in epoll.

Orabug: 39556391


* CVE-2026-43499, CVE-2026-53163: Use-after-free in core kernel RT-mutex.

Orabug: 39556379


* CVE-2026-46113: Use-after-free in KVM shadow paging.

Orabug: 39673880


* CVE-2026-46116: Use-after-free in XFRM.

Orabug: 39556375


SUPPORT

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