Red Hat alert RHSA-2025:14094-01 (kernel-rt)

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0
Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: padata: fix UAF in padata_reorder (CVE-2025-21727)

* kernel: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA
nodes (CVE-2025-21991)

* kernel: memstick: rtsx_usb_ms: Fix slab-use-after-free in
rtsx_usb_ms_drv_remove (CVE-2025-22020)

* kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling
(CVE-2025-37797)

* kernel: selinux: Add boundary check in put_entry() (CVE-2022-50200)

* kernel: ext4: avoid resizing to a partial cluster size (CVE-2022-50020)

* kernel: drivers:md:fix a potential use-after-free bug (CVE-2022-50022)

* kernel: net: ch9200: fix uninitialised access during mii_nway_restart
(CVE-2025-38086)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_14094.json