[El-errata] New Ksplice updates for UEKR8 6.12.0 on OL9 and OL10 (ELSA-2026-50372)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50372 can now be patched using Ksplice
CVEs: CVE-2026-23274 CVE-2026-23351 CVE-2026-23392 CVE-2026-23394 CVE-2026-31406 CVE-2026-31554 CVE-2026-31598 CVE-2026-31694 CVE-2026-43038 CVE-2026-43329 CVE-2026-43501 CVE-2026-46043 CVE-2026-46113 CVE-2026-46242 CVE-2026-46323 CVE-2026-46331 CVE-2026-53163

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50372.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50372.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-2026-23274: Kernel crash in Netfilter IDLETIMER driver.

* CVE-2026-23351: Use-after-free in Netfilter driver.

* CVE-2026-23392: Use-after-free in Netfilter driver.

* CVE-2026-23394: Use-after-free in Unix domain sockets driver.

* CVE-2026-31406: Use-after-free in XFRM driver.

* CVE-2026-31554: Use-after-free in futex driver.

* CVE-2026-31598: Kernel deadlock in OCFS2 filesystem.

* CVE-2026-31694: Out-of-bounds memory access in FUSE filesystem.

* CVE-2026-43038: Out-of-bounds memory access in IPv6 networking stack.

* CVE-2026-43329: Out-of-bounds memory access in Netfilter driver.

* CVE-2026-43501: Out-of-bounds memory access in IPv6 networking stack.

* CVE-2026-46043: Out-of-bounds memory access in RDMA RXE driver.

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

Orabug: 39673880


* CVE-2026-46242: Use-after-free in eventpoll subsystem.

Orabug: 39668743


* CVE-2026-46323: Use-after-free in networking stack.

* CVE-2026-46331: Page cache corruption in pedit tc action driver.

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

SUPPORT

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