The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * kernel: use-after-free caused by l2cap_reassemble_sdu in net/bluetooth/l2cap_core.c For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Bug Fix: * perf record -ag does not capture user space stack frames on s390x * RHEL7.9 - kernel: handle new reply code FILTERED_BY_HYPERVISOR