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High ELSA-2026-42552 2 CVEs

Important: kernel security, bug fix, and enhancement update (Oracle Linux 8)

Published Jul 21, 2026 · Updated Jul 21, 2026

Summary

[4.18.0-553.146.1]
- 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]

[4.18.0-553.146.1]
- RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (Gaurav Goklani) [RHEL-180153] {CVE-2026-46117}
- PCI: vmd: Make vmd_dev::cfg_lock a raw_spinlock_t type (Herton R. Krzesinski) [RHEL-174916]

[4.18.0-553.145.1]
- Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CKI Backport Bot) [RHEL-188327] {CVE-2026-53071}

Fixed packages 20

ReleasePackageFixed in
Oracle Linux · 8 bpftool 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-abi-stablelists 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-core 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-cross-headers 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-debug 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-debug-core 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-debug-devel 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-debug-modules 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-debug-modules-extra 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-devel 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-doc 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-headers 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-modules 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-modules-extra 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-tools 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-tools-libs 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 kernel-tools-libs-devel 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 perf 0:4.18.0-553.146.1.el8_10
Oracle Linux · 8 python3-perf 0:4.18.0-553.146.1.el8_10

Vulnerabilities 2

  • High 8.8

    Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp l2cap_ecred_reconf_rsp() calls l2cap_chan_del() without holding l2cap_chan_lock(). Every other l2cap_chan_del() caller in the…

  • High 7.8

    RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() Sashiko points out that the user can specify WQs sharing the same CQ as a part of the uAPI and this will trigger the WA…