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Medium ELSA-2025-8743 1 CVE

Moderate: kernel security update (Oracle Linux 8)

Published Jun 10, 2025 · Updated Jun 10, 2025

Summary

[4.18.0-553.56.1_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]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]

[4.18.0-553.56.1_10]
- tools/power/x86_energy_perf_policy: Read energy_perf_bias from sysfs (David Arcari) [RHEL-86963]
- um: Fix out-of-bounds read in LDT setup (CKI Backport Bot) [RHEL-90261] {CVE-2022-49395}

[4.18.0-553.55.1_10]
- sched/fair: Fix CPU bandwidth limit bypass during CPU hotplug (Phil Auld) [RHEL-85171]

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.56.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.56.1.el8_10

Vulnerabilities 1

  • High 7.1

    um: Fix out-of-bounds read in LDT setup

    In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscall_stub_data() expects the data_count parameter to be the number of longs, not bytes. ============================================================…