Security Advisories›RHSA-2025:13633

RHSA-2025:13633 — Security Advisory

Red Hat Security Advisory: kernel-rt security update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · August 11, 2025

Updated · October 30, 2026

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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.

Description

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: media: uvcvideo: Remove dangling pointers (CVE-2024-58002)

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

  • kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CVE-2025-21928)

  • 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: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() (CVE-2022-49788)

  • 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: 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.

Related CVEs

RHSA-2025:13633 — Red Hat Security Advisory: kernel-rt security update | PulseLinux