RHSA-2026:35904 — Security Advisory
Red Hat Security Advisory: kernel-rt security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · July 6, 2026
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 Important. 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: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183)
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kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold (CVE-2026-31408)
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kernel: tcp: fix potential race in tcp_v6_syn_recv_sock() (CVE-2026-43198)
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kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189)
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kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135)
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.