msrc_cve-2023-2700
Vulnerability from csaf_microsoft
Published
2023-05-01 00:00
Modified
2024-06-30 07:00
Summary
A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup.
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
{
"document": {
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2023-2700 A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device\u0027s capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct\u0027s g_autoptr cleanup. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-2700.json"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device\u0027s capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct\u0027s g_autoptr cleanup.",
"tracking": {
"current_release_date": "2024-06-30T07:00:00.000Z",
"generator": {
"date": "2025-10-20T00:26:38.282Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2023-2700",
"initial_release_date": "2023-05-01T00:00:00.000Z",
"revision_history": [
{
"date": "2024-06-30T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "2.0",
"product": {
"name": "CBL Mariner 2.0",
"product_id": "17086"
}
},
{
"category": "product_version",
"name": "3.0",
"product": {
"name": "Azure Linux 3.0",
"product_id": "17084"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003ccbl2 libvirt 7.10.0-5",
"product": {
"name": "\u003ccbl2 libvirt 7.10.0-5",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "cbl2 libvirt 7.10.0-5",
"product": {
"name": "cbl2 libvirt 7.10.0-5",
"product_id": "18366"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 libvirt 7.10.0-5",
"product": {
"name": "\u003cazl3 libvirt 7.10.0-5",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "azl3 libvirt 7.10.0-5",
"product": {
"name": "azl3 libvirt 7.10.0-5",
"product_id": "18367"
}
}
],
"category": "product_name",
"name": "libvirt"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccbl2 libvirt 7.10.0-5 as a component of CBL Mariner 2.0",
"product_id": "17086-2"
},
"product_reference": "2",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "cbl2 libvirt 7.10.0-5 as a component of CBL Mariner 2.0",
"product_id": "18366-17086"
},
"product_reference": "18366",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 libvirt 7.10.0-5 as a component of Azure Linux 3.0",
"product_id": "17084-1"
},
"product_reference": "1",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "azl3 libvirt 7.10.0-5 as a component of Azure Linux 3.0",
"product_id": "18367-17084"
},
"product_reference": "18367",
"relates_to_product_reference": "17084"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-2700",
"cwe": {
"id": "CWE-401",
"name": "Missing Release of Memory after Effective Lifetime"
},
"notes": [
{
"category": "general",
"text": "redhat",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"18366-17086",
"18367-17084"
],
"known_affected": [
"17086-2",
"17084-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2023-2700 A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device\u0027s capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct\u0027s g_autoptr cleanup. - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-2700.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2024-06-30T07:00:00.000Z",
"details": "7.10.0-5:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17086-2",
"17084-1"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"17086-2",
"17084-1"
]
}
],
"title": "A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device\u0027s capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct\u0027s g_autoptr cleanup."
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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