RHSA-2026:25534: Critical: kernel security, bug fix, and enhancement update
Critical: kernel security, bug fix, and enhancement update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: ip6tunnel: clear skb2->cb[] in ip4ip6err() (CVE-2026-43037) 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-2026:25534?
The severity of RHSA-2026:25534 is critical with a score of 9.
What vulnerabilities does RHSA-2026:25534 address?
RHSA-2026:25534 addresses security fixes for the Linux kernel, specifically addressing the issue identified in CVE-2026-43037.
How do I fix RHSA-2026:25534?
To fix RHSA-2026:25534, update your kernel packages and ensure that the system is rebooted for the changes to take effect.
What systems are affected by RHSA-2026:25534?
RHSA-2026:25534 affects various Red Hat Enterprise Linux kernel packages including those for ARM 64.
When was RHSA-2026:25534 published?
RHSA-2026:25534 was published on June 12, 2026.