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vuln-cve/data/2021/3xxx/CVE-2021-3923.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2021-3923",
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"dateUpdated": "2025-02-24T19:19:01.209Z",
"dateReserved": "2021-11-03T00:00:00.000Z",
"datePublished": "2023-03-27T00:00:00.000Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat",
"dateUpdated": "2023-03-27T00:00:00.000Z"
},
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the Linux kernel's implementation of RDMA over infiniband. An attacker with a privileged local account can leak kernel stack information when issuing commands to the /dev/infiniband/rdma_cm device node. While this access is unlikely to leak sensitive user information, it can be further used to defeat existing kernel protection mechanisms."
}
],
"affected": [
{
"vendor": "n/a",
"product": "kernel",
"versions": [
{
"version": "unknown",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019643"
},
{
"url": "https://lore.kernel.org/all/20220204100036.GA12348%40kili/"
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"lang": "en",
"description": "CWE-200",
"cweId": "CWE-200"
}
]
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-03T17:09:09.735Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019643",
"tags": [
"x_transferred"
]
},
{
"url": "https://lore.kernel.org/all/20220204100036.GA12348%40kili/",
"tags": [
"x_transferred"
]
}
]
},
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 2.3,
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-02-24T19:18:29.423811Z",
"id": "CVE-2021-3923",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-02-24T19:19:01.209Z"
}
}
]
}
}