{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:66324",
  "related": [],
  "upstream": [
    "CVE-2025-68745",
    "CVE-2026-46149",
    "CVE-2026-52917",
    "CVE-2026-52942",
    "CVE-2026-52986",
    "CVE-2026-53091",
    "CVE-2026-53246",
    "CVE-2026-63801",
    "CVE-2026-63971",
    "CVE-2026-64015",
    "CVE-2026-64113",
    "CVE-2026-68117",
    "CVE-2026-68300",
    "CVE-2026-68315",
    "CVE-2026-68376"
  ],
  "published": "2026-09-10T10:17:16Z",
  "modified": "2026-09-10T10:17:16Z",
  "summary": "Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "kernel-rt",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-core",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-core",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-devel",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-kvm",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-kvm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-modules",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-modules-extra",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debuginfo-common-x86_64",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-devel",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-kvm",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-kvm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-modules",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-modules-extra",
        "ecosystem": "Red Hat:enterprise_linux:8::nfv",
        "purl": "pkg:rpm/redhat/kernel-rt-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-core",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-core",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-devel",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-modules",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debug-modules-extra",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debug-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-debuginfo-common-x86_64",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-devel",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-modules",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-rt-modules-extra",
        "ecosystem": "Red Hat:enterprise_linux:8::realtime",
        "purl": "pkg:rpm/redhat/kernel-rt-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:4.18.0-553.162.1.rt7.503.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:66324"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/#important"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425039"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482566"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492091"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492115"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492270"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492397"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492771"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502254"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502331"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502380"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502541"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513253"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513397"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513408"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513474"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66324.json"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68745"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68745"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68745"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2025122416-CVE-2025-68745-69b5@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-46149"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-46149"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46149"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026052822-CVE-2026-46149-ad2e@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-52917"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52917"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52917"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026062429-CVE-2026-52917-d3b0@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-52942"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52942"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52942"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026062435-CVE-2026-52942-2530@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-52986"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-52986"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52986"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026062443-CVE-2026-52986-b7fa@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-53091"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53091"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53091"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026062409-CVE-2026-53091-cb58@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-53246"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53246"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53246"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026062512-CVE-2026-53246-e748@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-63801"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-63801"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63801"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026071901-CVE-2026-63801-f5e2@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-63971"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-63971"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63971"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026071959-CVE-2026-63971-dd46@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-64015"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64015"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64015"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026071957-CVE-2026-64015-19c9@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-64113"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-64113"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64113"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026071922-CVE-2026-64113-87d9@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-68117"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-68117"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68117"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026081055-CVE-2026-68117-dd27@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-68300"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-68300"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68300"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026081029-CVE-2026-68300-ab03@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-68315"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-68315"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68315"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026081032-CVE-2026-68315-b0e7@gregkh/T"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-68376"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-68376"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68376"
    },
    {
      "type": "ARTICLE",
      "url": "https://lore.kernel.org/linux-cve-announce/2026081043-CVE-2026-68376-5dfa@gregkh/T"
    }
  ]
}