RHSA-2022:6850

Vulnerability from csaf_redhat - Published: 2022-10-06 18:32 - Updated: 2025-11-21 18:33
Summary
Red Hat Security Advisory: openvswitch2.11 security update

Notes

Topic
An update for openvswitch2.11 is now available for Fast Datapath for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fix(es): * dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs (CVE-2022-2132) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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  "vulnerabilities": [
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          "organization": "China Telecom"
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      "cve": "CVE-2022-2132",
      "cwe": {
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        "name": "Allocation of Resources Without Limits or Throttling"
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          "text": "2099475"
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      "notes": [
        {
          "category": "description",
          "text": "A permissive list of allowed inputs flaw was found in DPDK. This issue allows a remote attacker to cause a denial of service triggered by sending a crafted Vhost header to DPDK.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "In OpenShift Container Platform (OCP) the openvswitch rpm package is consumed from the RHEL Fast Datapath repositories, hence OCP openvswitch components are marked as \"Will not fix\".",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.src",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.ppc64le",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.s390x",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.x86_64",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.ppc64le",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.s390x",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.x86_64",
          "7Server-RH7-Fast-Datapath:openvswitch2.11-test-0:2.11.3-96.2.el7fdp.noarch",
          "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
          "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
          "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-2132"
        },
        {
          "category": "external",
          "summary": "RHBZ#2099475",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2099475"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-2132",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-2132"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-2132",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2132"
        },
        {
          "category": "external",
          "summary": "https://bugs.dpdk.org/show_bug.cgi?id=1031",
          "url": "https://bugs.dpdk.org/show_bug.cgi?id=1031"
        }
      ],
      "release_date": "2022-08-29T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-10-06T18:32:24+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.src",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-test-0:2.11.3-96.2.el7fdp.noarch",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2022:6850"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.src",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-debuginfo-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-devel-0:2.11.3-96.2.el7fdp.x86_64",
            "7Server-RH7-Fast-Datapath:openvswitch2.11-test-0:2.11.3-96.2.el7fdp.noarch",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.ppc64le",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.s390x",
            "7Server-RH7-Fast-Datapath:python-openvswitch2.11-0:2.11.3-96.2.el7fdp.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.