{ "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" } } ] } }