ALSA-2025:0059 — Important: kernel security update

Affected: AlmaLinux:9: bpftool, AlmaLinux:9: kernel, AlmaLinux:9: kernel-64k, AlmaLinux:9: kernel-64k-core, AlmaLinux:9: kernel-64k-debug, AlmaLinux:9: kernel-64k-debug-core, AlmaLinux:9: kernel-64k-debug-devel, AlmaLinux:9: kernel-64k-debug-devel-matched, AlmaLinux:9: kernel-64k-debug-modules, AlmaLinux:9: kernel-64k-debug-modules-core and 53 more

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.

CVE-2024-50208 — RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages

Affected: Linux

In the Linux kernel, the following vulnerability has been resolved:

RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages

Avoid memory corruption while setting up Level-2 PBL pages for the non MR resources when num_pages > 256K.

There will be a single PDE page address (contiguous pages in the case of > PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid memory access after 256K PBL entries in the PDE.

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ALSA-2025:0059 — Important: kernel security update

CVE-2024-50208 — RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages