ghsa-h7wq-jj8r-qm7p
Vulnerability from github
Published
2024-11-17 12:30
Modified
2024-11-19 20:25
Severity ?
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
Kubernetes Nil pointer dereference in KCM after v1 HPA patch request
Details

A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.27.0-alpha.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-0793"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-11-18T20:08:13Z",
    "nvd_published_at": "2024-11-17T11:15:06Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.",
  "id": "GHSA-h7wq-jj8r-qm7p",
  "modified": "2024-11-19T20:25:29Z",
  "published": "2024-11-17T12:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-0793"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/issues/107038#issuecomment-1911327145"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openshift/kubernetes/pull/1876"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:0741"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1267"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2024-0793"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2214402"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kubernetes/kubernetes"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2024-3277"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Kubernetes Nil pointer dereference in KCM after v1 HPA patch request"
}


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