suse-ru-2020:2204-1
Vulnerability from csaf_suse
Published
2020-08-11 12:33
Modified
2020-08-11 12:33
Summary
Bugfixes on cilium, gangway and skuba and security fix for Kubernetes (cve-2020-8557)

Notes

Title of the patch
Bugfixes on cilium, gangway and skuba and security fix for Kubernetes (cve-2020-8557)
Description of the patch
= Required Actions == Kubernetes (Security fix) This fix will be applied to the kubelet daemon running on the nodes by `skuba-update`. See https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_base_os_updates for more details. Make sure you look at the Release Notes https://www.suse.com/releasenotes/x86_64/SUSE-CAASP/4/#_changes_in_4_2_2 for any known bug. == Cilium Bugfix Cilium will be updated by `skuba addon upgrade`. No action is required from your side. For more info see https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_generating_an_overview_of_available_addon_updates == Gangway bugfix Gangway will be updated by `skuba addon upgrade`. No action is required from your side. For more info see https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_generating_an_overview_of_available_addon_updates == Skuba In order to update skuba, you need to update the admin workstation. See detailed instructions at https://documentation.suse.com/suse-caasp/4.1/html/caasp-admin/_cluster_updates.html#_update_management_workstation
Patchnames
SUSE-2020-2204,SUSE-SLE-Module-Containers-15-SP1-2020-2204
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).



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        "title": "Title of the patch"
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        "text": " = Required Actions\n\n== Kubernetes (Security fix)\n\nThis fix will be applied to the kubelet daemon running on the nodes by `skuba-update`. \nSee https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_base_os_updates for more details.\nMake sure you look at the Release Notes https://www.suse.com/releasenotes/x86_64/SUSE-CAASP/4/#_changes_in_4_2_2 for any known bug.\n\n== Cilium Bugfix\n\nCilium will be updated by `skuba addon upgrade`. No action is required from your side.\nFor more info see https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_generating_an_overview_of_available_addon_updates\n\n== Gangway bugfix\n\nGangway will be updated by `skuba addon upgrade`. No action is required from your side.\nFor more info see https://documentation.suse.com/suse-caasp/4.2/html/caasp-admin/_cluster_updates.html#_generating_an_overview_of_available_addon_updates\n== Skuba\n\nIn order to update skuba, you need to update the admin workstation.\nSee detailed instructions at https://documentation.suse.com/suse-caasp/4.1/html/caasp-admin/_cluster_updates.html#_update_management_workstation\n  ",
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        "url": "https://www.suse.com/security/cve/CVE-2020-8557/"
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  "vulnerabilities": [
    {
      "cve": "CVE-2020-8557",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-8557"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The Kubernetes kubelet component in versions 1.1-1.16.12, 1.17.0-1.17.8 and 1.18.0-1.18.5 do not account for disk usage by a pod which writes to its own /etc/hosts file. The /etc/hosts file mounted in a pod by kubelet is not included by the kubelet eviction manager when calculating ephemeral storage usage by a pod. If a pod writes a large amount of data to the /etc/hosts file, it could fill the storage space of the node and cause the node to fail.",
          "title": "CVE description"
        }
      ],
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      "references": [
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          "summary": "CVE-2020-8557",
          "url": "https://www.suse.com/security/cve/CVE-2020-8557"
        },
        {
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          "summary": "SUSE Bug 1173984 for CVE-2020-8557",
          "url": "https://bugzilla.suse.com/1173984"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Containers 15 SP1:kubernetes-client-1.17.4-4.18.1.x86_64",
            "SUSE Linux Enterprise Module for Containers 15 SP1:kubernetes-common-1.17.4-4.18.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Module for Containers 15 SP1:kubernetes-common-1.17.4-4.18.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-08-11T12:33:40Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-8557"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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