Skip to content
OpenAdvisories
High RHSA-2026:42550 2 CVEs

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Published Jul 23, 2026 · Updated Oct 1, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-core 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-core 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-debuginfo 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-devel 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-kvm 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules-extra 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-devel 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-kvm 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules-extra 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-core 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-core 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-debuginfo 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-devel 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules-extra 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-devel 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules 0:4.18.0-553.146.1.rt7.487.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules-extra 0:4.18.0-553.146.1.rt7.487.el8_10

Vulnerabilities 2

  • High 8.8
    CVE-2026-53071

    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…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-46117

    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…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482576
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492458
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_42550.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-46117
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46117
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46117
  • article
    https://lore.kernel.org/linux-cve-announce/2026052814-CVE-2026-46117-a93b@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-53071
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53071
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53071
  • article
    https://lore.kernel.org/linux-cve-announce/2026062404-CVE-2026-53071-bdae@gregkh/T