gsd-2023-46840
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Incorrect placement of a preprocessor directive in source code results
in logic that doesn't operate as intended when support for HVM guests is
compiled out of Xen.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-46840",
"id": "GSD-2023-46840"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-46840"
],
"details": "Incorrect placement of a preprocessor directive in source code results\nin logic that doesn\u0027t operate as intended when support for HVM guests is\ncompiled out of Xen.\n",
"id": "GSD-2023-46840",
"modified": "2023-12-13T01:20:52.989447Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@xen.org",
"ID": "CVE-2023-46840",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Xen",
"version": {
"version_data": [
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"defaultStatus": "unknown",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-450"
}
]
}
}
]
}
}
]
},
"vendor_name": "Xen"
}
]
}
},
"configuration": [
{
"lang": "en",
"value": "Xen 4.17 and onwards are vulnerable. Xen 4.16 and older are not\nvulnerable.\n\nOnly Xen running on x86 platforms with an Intel-compatible VT-d IOMMU is\nvulnerable. Platforms from other manufacturers, or platforms without a\nVT-d IOMMU are not vulnerable.\n\nOnly systems where PCI devices are passed through to untrusted or\nsemi-trusted guests are vulnerable. Systems which do not assign PCI\ndevices to untrusted guests are not vulnerable.\n\nXen is only vulnerable when CONFIG_HVM is disabled at build time. Most\ndeployments of Xen are expected to have CONFIG_HVM enabled at build\ntime, and would therefore not be vulnerable.\n"
}
],
"credits": [
{
"lang": "en",
"value": "This issue was discovered by Teddy Astie of Vates\n"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Incorrect placement of a preprocessor directive in source code results\nin logic that doesn\u0027t operate as intended when support for HVM guests is\ncompiled out of Xen.\n"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://xenbits.xenproject.org/xsa/advisory-450.html",
"refsource": "MISC",
"url": "https://xenbits.xenproject.org/xsa/advisory-450.html"
}
]
},
"work_around": [
{
"lang": "en",
"value": "There is no mitigation.\n"
}
]
},
"nvd.nist.gov": {
"cve": {
"descriptions": [
{
"lang": "en",
"value": "Incorrect placement of a preprocessor directive in source code results\nin logic that doesn\u0027t operate as intended when support for HVM guests is\ncompiled out of Xen.\n"
}
],
"id": "CVE-2023-46840",
"lastModified": "2024-03-20T13:00:16.367",
"metrics": {},
"published": "2024-03-20T11:15:08.180",
"references": [
{
"source": "security@xen.org",
"url": "https://xenbits.xenproject.org/xsa/advisory-450.html"
}
],
"sourceIdentifier": "security@xen.org",
"vulnStatus": "Awaiting Analysis"
}
}
}
}
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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.