An update for kernel is now available for Red Hat Enterprise Linux 9.

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: perf/aux: Fix AUX buffer serialization (CVE-2024-46713)

* kernel: RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
 (CVE-2024-50208)

* kernel: mlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6
 address (CVE-2024-50252)

* kernel: mptcp: cope racing subflow creation in mptcp_rcv_space_adjust
 (CVE-2024-53122)

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.

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CVE-2024-46713: Improper Synchronization (CWE-662)
CVE-2024-50208: Out-of-bounds Read (CWE-125)
CVE-2024-50252: Missing Release of Memory after Effective Lifetime (CWE-401)
CVE-2024-53122: Divide By Zero (CWE-369)