High

Kernel: out-of-bounds read vulnerability in smbcalcsize

Type: advisorySource: Official CVE List1 source record

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

Announced 8 Dec 2023Group revision 1

Original source ↗

CVE-2023-6606

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: cve:CVE-2023-6606

Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/0/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/1/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 8.6 Extended Update Support

Source reference: /containers/cna/affected/2/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 8.8 Extended Update Support

Source reference: /containers/cna/affected/3/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/4/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/5/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9.2 Extended Update Support

Source reference: /containers/cna/affected/6/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9.2 Extended Update Support

Source reference: /containers/cna/affected/7/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/8/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/9/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/10/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/11/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/12/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/13/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/14/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/15/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/16/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/17/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/18/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/19/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/20/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/21/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/22/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/23/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/24/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

RHOL-5.8-RHEL-9

Source reference: /containers/cna/affected/25/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 6

Source reference: /containers/cna/affected/26/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 7

Source reference: /containers/cna/affected/27/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 7

Source reference: /containers/cna/affected/28/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/29/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "versions": [
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    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "versions": [
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    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "versions": [
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      "cpe:/a:redhat:enterprise_linux:9::nfv"
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    "vendor": "Red Hat",
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    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "versions": [
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    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:5.14.0-284.52.1.rt14.337.el9_2",
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        "versionType": "rpm"
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    ],
    "packageName": "kernel-rt",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
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    "vendor": "Red Hat",
    "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "versions": [
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    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
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        "version": "v5.8.6-22",
        "lessThan": "*",
        "versionType": "rpm"
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        "version": "v5.8.6-11",
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    "versions": [
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        "version": "v6.8.1-407",
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    ],
    "packageName": "openshift-logging/elasticsearch6-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
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    "packageName": "openshift-logging/elasticsearch-operator-bundle",
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    "vendor": "Red Hat",
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    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
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        "status": "unaffected",
        "version": "v0.4.0-247",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/eventrouter-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
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    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
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        "version": "v5.8.6-5",
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    "collectionURL": "https://catalog.redhat.com/software/containers/",
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    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v1.1.0-227",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/log-file-metric-exporter-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v5.8.1-470",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/logging-curator5-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
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      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v2.9.6-14",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/logging-loki-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
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      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
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        "status": "unaffected",
        "version": "v5.8.6-2",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/logging-view-plugin-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
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    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v5.8.6-24",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/loki-operator-bundle",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
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  {
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    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v5.8.6-10",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/loki-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
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      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v0.1.0-525",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/lokistack-gateway-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v0.1.0-224",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/opa-openshift-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:logging:5.8::el9"
    ],
    "vendor": "Red Hat",
    "product": "RHOL-5.8-RHEL-9",
    "versions": [
      {
        "status": "unaffected",
        "version": "v0.28.1-56",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift-logging/vector-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "packageName": "kernel",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "packageName": "kernel",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "packageName": "kernel-rt",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "packageName": "kernel-rt",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  }
]

Related CVEs: CVE-2023-6606
Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event: #24296 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 06:33:09 GMT
Publisher date: Fri, 08 Dec 2023 16:58:08 GMT

Read the original announcement

Revision history

25 Oct 2026CVE-2023-6606 · Revision 1Source updated