From gregory.herrero at oracle.com  Tue Dec 23 06:48:46 2025
From: gregory.herrero at oracle.com (Oracle Ksplice)
Date: Tue, 23 Dec 2025 06:48:46 -0000
Subject: [Ksplice][EL7-Updates] New Ksplice updates for OL 7, RHEL 7,
 CentOS 7, and Scientific Linux 7 (ELSA-2025-21063)
Message-ID: <ff08e79bb1e1e44fc2a0a835b79ac5f0.apache@ksplice.com>

Synopsis: ELSA-2025-21063 can now be patched using Ksplice
CVEs: CVE-2023-53373 CVE-2025-37797

Systems running RHCK on Oracle Linux 7, Red Hat Enterprise Linux 7,
CentOS 7, and Scientific Linux 7 can now use Ksplice to patch against
the latest Red Hat kernel update, ELSA-2025-21063.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2025-21063.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running OL 7, RHEL 7,
CentOS 7, and Scientific Linux 7 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-2023-53373: Use-after-free in Sequence Number IV Generator driver.

* CVE-2025-37797: Use-after-free in HFSC network scheduler.

SUPPORT

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