rhsa-2024_1386
Vulnerability from csaf_redhat
Published
2024-03-19 15:40
Modified
2024-11-15 16:11
Summary
Red Hat Security Advisory: ovn22.12 security update
Notes
Topic
An update for ovn22.12 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
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
OVN, the Open Virtual Network, is a system to support virtual network
abstraction. OVN complements the existing capabilities of OVS to add
native support for virtual network abstractions, such as virtual L2 and L3
overlays and security groups.
Security fix(es):
* ovn22.12: insufficient validation of BFD packets may lead to denial of service (CVE-2024-2182)
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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"text": "A flaw was found in the Open Virtual Network (OVN). In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service.",
"title": "Vulnerability description"
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"text": "ovn: insufficient validation of BFD packets may lead to denial of service",
"title": "Vulnerability summary"
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{
"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"
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-2182"
},
{
"category": "external",
"summary": "RHBZ#2267840",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267840"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-2182",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-2182"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-2182",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2182"
},
{
"category": "external",
"summary": "https://mail.openvswitch.org/pipermail/ovs-announce/2024-March/000346.html",
"url": "https://mail.openvswitch.org/pipermail/ovs-announce/2024-March/000346.html"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2024/03/12/5",
"url": "https://www.openwall.com/lists/oss-security/2024/03/12/5"
}
],
"release_date": "2024-03-12T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-03-19T15:40:13+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2024:1386"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "ovn: insufficient validation of BFD packets may lead to denial of service"
}
]
}
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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.