RHSA-2026:49031

Details:

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

Security Fix(es):

• kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)

• kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources (CVE-2025-10263)

• kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)

Bug Fix(es) and Enhancement(s):

• [RFE] Requesting FOU and GUE/GRE support in RHEL 9 [rhel-9.6.z] (JIRA:RHEL-144986)

• dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [rhel-9.6.z] (JIRA:RHEL-212060)

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.