[El-errata] New Ksplice updates for UEKR7 5.15.0 on OL8 and OL9 (ELSA-2026-50113)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2026-50113 can now be patched using Ksplice
CVEs: CVE-2023-24023 CVE-2024-37354 CVE-2024-43888 CVE-2024-47666 CVE-2025-40040 CVE-2025-40083 CVE-2025-40257 CVE-2025-40264 CVE-2025-40272 CVE-2025-40273 CVE-2025-40277 CVE-2025-40281 CVE-2025-68295 CVE-2025-68301

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2026-50113.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2026-50113.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-2023-24023: Authentication bypass when pairing Bluetooth devices.

* CVE-2024-37354: Denial-of-service in Btrfs filesystem driver.

* CVE-2024-43888: Use-after-free in LRU list implementation.

Orabug: 38619860


* CVE-2024-47666: Kernel crash in PMC-Sierra SPC 8001 SAS/SATA Based Host Adapter driver.

* CVE-2025-40040: Kernel panic in KSM for page merging driver.

* CVE-2025-40083: Null pointer dereference in Quick Fair Queueing scheduler (QFQ) driver.

* CVE-2025-40257: Use-after-free in MPTCP: Multipath TCP driver.

* CVE-2025-40264: Null pointer dereference in BladeEngine driver.

* CVE-2025-40272: Use-after-free in secret memory management.

* CVE-2025-40273: Kernel oops in NFS server for NFS version 4 driver.

* CVE-2025-40277: Out-of-bounds memory access in VMware graphics driver.

* CVE-2025-40281: Out-of-bounds memory access in SCTP Protocol driver.

* CVE-2025-68295: Memory leak in SMB/CIFS client driver.

* CVE-2025-68301: Out-of-bounds memory access in aQuantia AQtion driver.

* Missing ARMv8.7 PMU support in KVM subsystem.

Orabug: 38784458


* Performance regression in TCP/IP networking driver.

Orabug: 38853979


* Note: Oracle has determined some CVEs are not applicable.

The kernel is not affected by the following CVEs
since the code under consideration is not compiled.

CVE-2025-40253, CVE-2025-40262, CVE-2025-40278, CVE-2025-40282,
CVE-2025-40306, CVE-2025-40312, CVE-2025-40313, CVE-2025-40314,
CVE-2025-40315, CVE-2025-68168, CVE-2025-68176, CVE-2025-68177,
CVE-2025-68204, CVE-2025-68220, CVE-2025-68238, CVE-2025-68287,
CVE-2025-68289, CVE-2025-68302, CVE-2025-68303, CVE-2025-68328,
CVE-2025-68339, CVE-2025-68369


SUPPORT

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