RHSA-2026:51603 — Security Advisory

An update for kernel 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.

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: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)

• kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)

• 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)

• kernel: net: openvswitch: reject oversized nested action attrs (CVE-2026-64531)

Bug Fix(es) and Enhancement(s):

• qemu-kvm: error: failed to set MSR 0xc0000102 to 0xff4547ceb1600000 [RHEL.9.2.z] (JIRA:RHEL-126981)

• [RHEL9.2-z] observe hang with nvme/051 test (JIRA:RHEL-129407)

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.