CVE-2023-3966 (GCVE-0-2023-3966)

Vulnerability from cvelistv5 – Published: 2024-02-22 12:15 – Updated: 2025-02-13 17:03
VLAI
Title
Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet
Summary
A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Date Public
2024-02-08 00:00
Credits
This issue was discovered by Haresh Khandelwal (Red Hat) and Timothy Redaelli (Red Hat).
Show details on NVD website
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\"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch2.17\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.0\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.1\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9::fastdatapath\"], \"vendor\": \"Red Hat\", \"product\": \"Fast Datapath for RHEL 9\", \"packageName\": \"openvswitch3.2\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7\", \"packageName\": \"openvswitch\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:3.11\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 3.11\", \"packageName\": \"openvswitch-ovn-kubernetes\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"RDO\", \"product\": \"OpenStack RDO\", \"packageName\": \"rdo-openvswitch\", \"collectionURL\": \"https://repos.fedorapeople.org/repos/openstack/\", \"defaultStatus\": \"affected\"}, {\"vendor\": \"Fedora\", \"product\": \"Fedora\", \"packageName\": \"openvswitch\", \"collectionURL\": \"https://packages.fedoraproject.org/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2023-03-14T00:00:00+00:00\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2024-02-08T00:00:00+00:00\", \"value\": \"Made public.\"}], \"datePublic\": \"2024-02-08T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/security/cve/CVE-2023-3966\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2178363\", \"name\": \"RHBZ#2178363\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-248\", \"description\": \"Uncaught Exception\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2024-03-23T02:06:40.529Z\"}, \"x_redhatCweChain\": \"CWE-248: Uncaught Exception\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-3966\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T17:03:14.623Z\", \"dateReserved\": \"2023-07-26T23:16:24.169Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2024-02-22T12:15:53.128Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.