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High ELSA-2025-8056 3 CVEs

Important: kernel security update (Oracle Linux 8)

Published May 21, 2025 · Updated May 21, 2025

Summary

- [4.18.0-553.53.1_10.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]

[4.18.0-553.53.1_10]
- net/mlx5: Always stop health timer during driver removal (Michal Schmidt) [RHEL-47712] {CVE-2024-40906}
- net/mlx5: Split function_setup() to enable and open functions (Michal Schmidt) [RHEL-47712]
- net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink (Michal Schmidt) [RHEL-57117] {CVE-2024-44970}
- net/mlx5e: SHAMPO, Fix incorrect page release (Michal Schmidt) [RHEL-57117] {CVE-2024-46717}
- s390/pci: Fix zpci_bus_is_isolated_vf() for non-VFs (Mete Durlu) [RHEL-88819]
- platform/x86: dell-wmi-sysman: Make init_bios_attributes() ACPI object parsing more robust (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Cleanup create_attributes_level_sysfs_files() (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Make sysman_init() return -ENODEV of the interfaces are not found (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Cleanup sysman_init() error-exit handling (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Fix release_attributes_data() getting called twice on init_bios_attributes() failure (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Make it safe to call exit_foo_attributes() multiple times (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Fix possible NULL pointer deref on exit (Jay Shin) [RHEL-88714]
- platform/x86: dell-wmi-sysman: Fix crash caused by calling kset_unregister twice (Jay Shin) [RHEL-88714]
- x86/kexec: Add EFI config table identity mapping for kexec kernel (Herton R. Krzesinski) [RHEL-71793]
- vsock: Orphan socket after transport release (Jay Shin) [RHEL-89099] {CVE-2025-21756}
- vsock: Keep the binding until socket destruction (Jay Shin) [RHEL-89099] {CVE-2025-21756}
- bpf, vsock: Invoke proto::close on close() (Jay Shin) [RHEL-89099] {CVE-2025-21756}

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.53.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.53.1.el8_10

Vulnerabilities 3

  • Critical 9.8

    net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink When all the strides in a WQE have been consumed, the WQE is unlinked from the WQ linked list (mlx5_wq_ll_pop()). For SHAMPO, it is possib…

  • High 7.8
    CVE-2025-21756 Public exploit

    vsock: Keep the binding until socket destruction

    In the Linux kernel, the following vulnerability has been resolved: vsock: Keep the binding until socket destruction Preserve sockets bindings; this includes both resulting from an explicit bind() and those implicitly bound through autobind during connect(). …

  • Unscored —

    net/mlx5: Always stop health timer during driver removal

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always stop health timer during driver removal Currently, if teardown_hca fails to execute during driver removal, mlx5 does not stop the health timer. Afterwards, mlx5 continue with…