[El-errata] New Ksplice updates for UEKR7 5.15.0 on OL8 and OL9 (ELBA-2026-50233)

[Errata Announcements for Oracle Linux]

Synopsis: ELBA-2026-50233 can now be patched using Ksplice
CVEs: CVE-2023-53673 CVE-2024-42079 CVE-2025-38089 CVE-2025-54505 CVE-2025-71089 CVE-2025-71238 CVE-2026-23112 CVE-2026-23193 CVE-2026-23209 CVE-2026-23216 CVE-2026-23381

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Bug Fix Advisory, ELBA-2026-50233.
More information about this errata can be found at
https://linux.oracle.com/errata/ELBA-2026-50233.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-2023-53673: Use-after-free in Bluetooth subsystem.

* CVE-2024-42079: Denial-of-service in GFS2 file system driver.

* CVE-2025-54505: Information leak in AMD Zen1 processors.

* CVE-2025-71089: Use-after-free in IOMMU Shared Virtual Addressing.

* CVE-2025-71238: Kernel oops in QLogic QLA2XXX Fibre Channel driver.

* CVE-2026-23112: Out-of-bounds memory access in NVMe over Fabrics TCP driver.

* CVE-2026-23193, CVE-2026-23216: Use-after-free in SCSI Target Mode Stack driver.

* CVE-2026-23381: Null pointer dereference in 802.1d Ethernet Bridging driver.

Orabug: 39080807


* Excessive reclaim on THP page faults in mm subsystem.

Orabug: 39071712


* Incorrect GSO type for HW GRO packets in Broadcom NetXtreme-C/E driver.

Orabug: 39086190


* 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-2025-37822, CVE-2025-71220, CVE-2025-71237, CVE-2026-23176,
CVE-2026-23180, CVE-2026-23182, CVE-2026-23206, CVE-2026-23222,
CVE-2026-23228, CVE-2026-23234, CVE-2026-23235, CVE-2026-23236,
CVE-2026-23238, CVE-2026-23256, CVE-2026-23257, CVE-2026-23258


SUPPORT

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