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HighFix available

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

Type: advisorySources: OSV
Products
kernel-rt, kernel-rt-core, kernel-rt-debug, kernel-rt-debug-core, kernel-rt-debug-debuginfo, kernel-rt-debug-devel, kernel-rt-debug-kvm, kernel-rt-debug-modules, kernel-rt-debug-modules-extra, kernel-rt-debuginfo, kernel-rt-debuginfo-common-x86_64, kernel-rt-devel, kernel-rt-kvm, kernel-rt-modules, kernel-rt-modules-extra
Affected versions
Not specified
Fixed versions
0:4.18.0-553.136.1.rt7.477.el8_10
CVEs
CVE-2026-31419, CVE-2026-31488, CVE-2026-43056, CVE-2026-43279, CVE-2026-46090, CVE-2026-46135, CVE-2026-46145, CVE-2026-46331
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 00:12 UTC · Revision 1

Source evidence

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

core-osv · Original source

Published 20 Jun 2026, 10:05 UTC

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

osv:RHSA-2026:27354

kernel-rt

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-core

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-core

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-debuginfo

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-devel

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-kvm

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-modules

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-modules-extra

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debuginfo

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debuginfo-common-x86_64

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-devel

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-kvm

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-modules

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-modules-extra

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-core

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-core

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-debuginfo

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-devel

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-modules

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debug-modules-extra

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debuginfo

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-debuginfo-common-x86_64

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-devel

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-modules

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

kernel-rt-modules-extra

Fixed versions: 0:4.18.0-553.136.1.rt7.477.el8_10

Complete source record
{
  "id": "b692c843e142a530f826e8455c98e2247d9737bf77effddda18d0e9458f98d19",
  "url": "https://osv.dev/vulnerability/RHSA-2026%3A27354",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update",
    "summary": "Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update",
    "evidence": "osv:RHSA-2026:27354",
    "products": [
      {
        "name": {
          "value": "kernel-rt",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-core",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/1/ranges"
          }
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        "affected_versions": []
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      {
        "name": {
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      {
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      {
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      {
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        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug-kvm",
          "evidence": "/affected/6/package/name"
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        "prerequisites": [],
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            "evidence": "/affected/6/ranges"
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        "affected_versions": []
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      {
        "name": {
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug-modules-extra",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debuginfo",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debuginfo-common-x86_64",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-devel",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-kvm",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-modules",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-modules-extra",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:4.18.0-553.136.1.rt7.477.el8_10",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
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          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-core",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
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          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug-core",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug-debuginfo",
          "evidence": "/affected/19/package/name"
        },
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      {
        "name": {
          "value": "kernel-rt-debug-devel",
          "evidence": "/affected/20/package/name"
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        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/21/package/name"
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-rt-debug-modules-extra",
          "evidence": "/affected/22/package/name"
        },
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        },
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    ],
    "severity": "high",
    "structured": {
      "id": "RHSA-2026:27354",
      "aliases": [
        "RHSA-2026:27354"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
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              "events": [
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                }
              ]
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            "purl": "pkg:rpm/redhat/kernel-rt",
            "ecosystem": "Red Hat:enterprise_linux:8::nfv"
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          "package": {
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            "purl": "pkg:rpm/redhat/kernel-rt-debug-modules-extra",
            "ecosystem": "Red Hat:enterprise_linux:8::nfv"
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          "package": {
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            "purl": "pkg:rpm/redhat/kernel-rt-debuginfo",
            "ecosystem": "Red Hat:enterprise_linux:8::nfv"
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          "database_specific": {
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          "package": {
            "name": "kernel-rt-debuginfo-common-x86_64",
            "purl": "pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64",
            "ecosystem": "Red Hat:enterprise_linux:8::nfv"
          },
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          "package": {
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            "purl": "pkg:rpm/redhat/kernel-rt-devel",
            "ecosystem": "Red Hat:enterprise_linux:8::nfv"
          },
          "database_specific": {
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          }
        },
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