RHSA-2026:5691: Moderate: kernel security update
Moderate: kernel security update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution (CVE-2025-38024) kernel: RDMA/rxe: Fix incomplete state save in rxerequester (CVE-2023-53539) kernel: sctp: avoid NULL dereference when chunk data buffer is missing (CVE-2025-40240) kernel: ipv6: BUG() in pskbexpandhead() as part of calipsoskbuffsetattr() (CVE-2025-71085) 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.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:5691?
The severity of RHSA-2026:5691 is classified as moderate.
How do I fix RHSA-2026:5691?
To fix RHSA-2026:5691, you should update kernel and related packages to version 4.18.0-372.185.1.el8_6.
What vulnerability is addressed in RHSA-2026:5691?
RHSA-2026:5691 addresses a use-after-free vulnerability in the RDMA/rxe component, which could lead to arbitrary code execution.
Which systems are affected by RHSA-2026:5691?
RHSA-2026:5691 affects multiple versions of Red Hat Enterprise Linux, including server and extended update support extensions.
Is a reboot required after applying the fix for RHSA-2026:5691?
Yes, a reboot is required after applying the fix for RHSA-2026:5691 to ensure the new kernel is properly loaded.