UnratedFix available

Red Hat Security Advisory: kernel-rt security update

Type: advisorySource: OSV1 source record

Announced 14 Jan 2026Group revision 1

RHSA-2026:0443

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:RHSA-2026:0443

kernel-rt

Source reference: /affected/0/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

kernel-rt-core

Source reference: /affected/1/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

kernel-rt-debug

Source reference: /affected/2/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-core

Source reference: /affected/3/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-devel

Source reference: /affected/4/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-kvm

Source reference: /affected/5/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/5/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-modules

Source reference: /affected/6/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/6/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-modules-extra

Source reference: /affected/7/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/7/ranges
Prerequisites: Not stated in this record

kernel-rt-devel

Source reference: /affected/8/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/8/ranges
Prerequisites: Not stated in this record

kernel-rt-kvm

Source reference: /affected/9/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/9/ranges
Prerequisites: Not stated in this record

kernel-rt-modules

Source reference: /affected/10/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/10/ranges
Prerequisites: Not stated in this record

kernel-rt-modules-extra

Source reference: /affected/11/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/11/ranges
Prerequisites: Not stated in this record

kernel-rt

Source reference: /affected/12/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/12/ranges
Prerequisites: Not stated in this record

kernel-rt-core

Source reference: /affected/13/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/13/ranges
Prerequisites: Not stated in this record

kernel-rt-debug

Source reference: /affected/14/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/14/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-core

Source reference: /affected/15/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/15/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-devel

Source reference: /affected/16/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/16/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-modules

Source reference: /affected/17/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/17/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-modules-extra

Source reference: /affected/18/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/18/ranges
Prerequisites: Not stated in this record

kernel-rt-devel

Source reference: /affected/19/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/19/ranges
Prerequisites: Not stated in this record

kernel-rt-modules

Source reference: /affected/20/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/20/ranges
Prerequisites: Not stated in this record

kernel-rt-modules-extra

Source reference: /affected/21/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/21/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-debuginfo

Source reference: /affected/22/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/22/ranges
Prerequisites: Not stated in this record

kernel-rt-debuginfo

Source reference: /affected/23/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/23/ranges
Prerequisites: Not stated in this record

kernel-rt-debuginfo-common-x86_64

Source reference: /affected/24/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/24/ranges
Prerequisites: Not stated in this record

kernel-rt-debug-debuginfo

Source reference: /affected/25/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/25/ranges
Prerequisites: Not stated in this record

kernel-rt-debuginfo

Source reference: /affected/26/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/26/ranges
Prerequisites: Not stated in this record

kernel-rt-debuginfo-common-x86_64

Source reference: /affected/27/package/name

Affected versions: Not stated in this record
Fixed versions: 0:4.18.0-553.92.1.rt7.433.el8_10
Source reference: /affected/27/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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    }
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            "introduced": "0"
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    ],
    "package": {
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      "purl": "pkg:rpm/redhat/kernel-rt-debuginfo",
      "ecosystem": "Red Hat:enterprise_linux:8::realtime"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:0443.json"
    }
  },
  {
    "ranges": [
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        "events": [
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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::realtime"
    },
    "database_specific": {
      "source": "https://security.access.redhat.com/data/osv/RHSA-2026:0443.json"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #15098 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 00:53:49 GMT
Publisher date: Wed, 14 Jan 2026 10:39:13 GMT

Read the original announcement

Revision history

25 Oct 2026RHSA-2026:0443 · Revision 1Source updated