2024-12-08 03:06:42 +00:00

241 lines
7.0 KiB
JSON

{
"id": "CVE-2021-3679",
"sourceIdentifier": "secalert@redhat.com",
"published": "2021-08-05T20:15:09.627",
"lastModified": "2024-11-21T06:22:08.627",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una falta de recursos de CPU en la funcionalidad tracing module del kernel de Linux en versiones anteriores a 5.14-rc3 en la manera en que el usuario usa el b\u00fafer de anillo de rastreo de una manera espec\u00edfica. S\u00f3lo usuarios locales privilegiados (con capacidad CAP_SYS_ADMIN) pod\u00edan usar este fallo para privar de recursos causando una denegaci\u00f3n de servicio"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"baseScore": 2.1,
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "LOW",
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "secalert@redhat.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
},
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-835"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.14",
"matchCriteriaId": "202CAD0B-4BA5-4F2B-8C10-8290E5F5434C"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*",
"matchCriteriaId": "6A05198E-F8FA-4517-8D0E-8C95066AED38"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*",
"matchCriteriaId": "71268287-21A8-4488-AA4F-23C473153131"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*",
"matchCriteriaId": "23B9E5C6-FAB5-4A02-9E39-27C8787B0991"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*",
"matchCriteriaId": "053C1B35-3869-41C2-9551-044182DE0A64"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
]
}
]
}
],
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1989165",
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
]
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a",
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html",
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
]
},
{
"url": "https://www.debian.org/security/2021/dsa-4978",
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1989165",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
]
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
]
},
{
"url": "https://www.debian.org/security/2021/dsa-4978",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
]
}
]
}