RHSA-2026:4011 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · March 9, 2026

Updated · October 30, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

kernel: x86/tdx: Fix "in-kernel MMIO" check (CVE-2024-47727)
kernel: net: af_can: do not leave a dangling sk pointer in can_create() (CVE-2024-56603)
kernel: netfilter: nft_tunnel: fix geneve_opt type confusion addition (CVE-2025-22056)
kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution (CVE-2025-38024)
kernel: page_pool: Fix use-after-free in page_pool_recycle_in_ring (CVE-2025-38129)
kernel: Linux kernel: Use-after-free in device mapper due to race condition in zone reporting (CVE-2025-38141)
kernel: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)

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.