[El-errata] New Ksplice updates for UEKR6 5.4.17 on OL7 and OL8 (ELSA-2025-20372)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2025-20372 can now be patched using Ksplice
CVEs: CVE-2025-21920 CVE-2025-21959 CVE-2025-21971 CVE-2025-21991 CVE-2025-22079

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2025-20372.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2025-20372.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR6 5.4.17 on
OL7 and OL8 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-2025-21959: Use of uninitialised value in netfilter subsystem.

* CVE-2025-21971: Statistics corruption in network QoS/scheduling driver.

* CVE-2025-21991: Memory corruption in AMD microcode loading driver.

* CVE-2025-22079: Out-of-bounds access in OCFS2 file system driver.

* Misconfigured delayed reconnect in RDS protocol driver.

Delayed reconnect work gets scheduled to an offline CPU, leading to
failure in reconnect.

Orabug: 37800559


* 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-2023-53034, CVE-2025-22007, CVE-2025-22018, CVE-2025-22054,
CVE-2025-22071, CVE-2025-22073, CVE-2025-38637

SUPPORT

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