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Findings

RHSA-2026:55765

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

Published Aug 18, 2026 · updated Oct 15, 2026

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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 18, 2026 · OSV.dev

    Detected

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

  2. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt fixed in 0:4.18.0-553.156.1.rt7.497.el8_10; kernel-rt-core fixed in 0:4.18.0-553.156.1.rt7.497.el8_10; kernel-rt-debug fixed in 0:4.18.0-553.156.1.rt7.497.el8_10; kernel-rt-debug-core fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  3. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  4. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-core fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  5. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  6. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-core fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  7. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-debuginfo fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  8. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-devel fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  9. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-kvm fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  10. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-modules fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  11. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debug-modules-extra fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  12. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debuginfo fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  13. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-debuginfo-common-x86_64 fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  14. Oct 15, 2026 · OSV.dev

    Fix available

    kernel-rt-devel fixed in 0:4.18.0-553.156.1.rt7.497.el8_10

  15. Oct 15, 2026 · OSV.dev

    Updated

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

Affected

  • Red Hat:enterprise_linux:8::nfv kernel-rt0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-core0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-core0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-debuginfo0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-devel0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-kvm0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-modules0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debug-modules-extra0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debuginfo0 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_640 → 0:4.18.0-553.156.1.rt7.497.el8_10
  • Red Hat:enterprise_linux:8::nfv kernel-rt-devel0 → 0:4.18.0-553.156.1.rt7.497.el8_10

Sources

  • OSV.devPackage advisoryRHSA-2026:55765

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

    osv.dev

References

RHSA-2026:55765 · ZeroDay Findings