RHSA-2026:17795: Critical: kernel security update
Critical: kernel security update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: "Dirty Frag" is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-43284) 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.Additional Changes:For detailed information on changes in this release, see the NVIDIA for RHEL 10 Release Notes linked from the References section.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:17795?
The severity of RHSA-2026:17795 is classified as critical.
How do I fix RHSA-2026:17795?
To fix RHSA-2026:17795, update your kernel packages to version 6.12.0-211.7.el10 or later.
What vulnerability is addressed in RHSA-2026:17795?
RHSA-2026:17795 addresses the 'Dirty Frag' local privilege escalation vulnerability (CVE-2026-43284) in the Linux kernel.
Which systems are affected by RHSA-2026:17795?
RHSA-2026:17795 affects Red Hat Enterprise Linux for ARM 64 systems running vulnerable kernel versions.
Is there a proposed mitigation for RHSA-2026:17795 before applying the update?
Currently, the recommended action is to apply the kernel update, as no temporary mitigation measures are provided.