rhsa-2021_0837
Vulnerability from csaf_redhat
Published
2021-03-15 14:35
Modified
2024-11-15 07:30
Summary
Red Hat Security Advisory: openvswitch2.11 security update

Notes

Topic
An update for openvswitch2.11 is now available in Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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): * openvswitch: limitation in the OVS packet parsing in userspace leads to DoS (CVE-2020-35498) * lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827) 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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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-35498"
        },
        {
          "category": "external",
          "summary": "RHBZ#1908845",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1908845"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-35498",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-35498"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35498",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35498"
        },
        {
          "category": "external",
          "summary": "https://www.openwall.com/lists/oss-security/2021/02/10/4",
          "url": "https://www.openwall.com/lists/oss-security/2021/02/10/4"
        }
      ],
      "release_date": "2021-02-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-15T14:35:27+00:00",
          "details": "For details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0837"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openvswitch: limitation in the OVS packet parsing in userspace leads to DoS"
    }
  ]
}


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