CVE-2020-12659
Estado: ModificadaMedia (6.7)—
An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 6.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.71%
- Percentil entre todas las CVEs puntuadas: 52
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (8)
CWE
- CWE-787
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://bugzilla.kernel.org/show_bug.cgi?id=207225
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://usn.ubuntu.com/4387-1/
- https://usn.ubuntu.com/4388-1/
- https://usn.ubuntu.com/4389-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://bugzilla.kernel.org/show_bug.cgi?id=207225
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://usn.ubuntu.com/4387-1/
- https://usn.ubuntu.com/4388-1/
- https://usn.ubuntu.com/4389-1/
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-12659",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 0.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-05-05T07:15:11.057",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html",
"tags": [
"Mailing List",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "https://bugzilla.kernel.org/show_bug.cgi?id=207225",
"tags": [
"Exploit",
"Issue Tracking",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://security.netapp.com/advisory/ntap-20200608-0001/",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://usn.ubuntu.com/4387-1/",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://usn.ubuntu.com/4388-1/",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://usn.ubuntu.com/4389-1/",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html",
"tags": [
"Mailing List",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.kernel.org/show_bug.cgi?id=207225",
"tags": [
"Exploit",
"Issue Tracking",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20200608-0001/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://usn.ubuntu.com/4387-1/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://usn.ubuntu.com/4388-1/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://usn.ubuntu.com/4389-1/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation."
},
{
"lang": "es",
"value": "Se detectó un problema en el kernel de Linux versiones anteriores a 5.6.7. En la función xdp_umem_reg en el archivo net/xdp/xdp_umem.c se presenta una escritura fuera de límites (por un usuario con la capacidad CAP_NET_ADMIN) debido a una falta de comprobación del headroom."
}
],
"lastModified": "2026-06-17T02:52:05.607",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A297BA06-0F48-41A8-86AE-C59682E062FA",
"versionEndExcluding": "4.19.118",
"versionStartIncluding": "4.18"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D6EFF949-D686-4BFC-A1AC-AB04BFD2ABB4",
"versionEndExcluding": "5.4.35",
"versionStartIncluding": "4.20"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA9191E1-E0BF-43FA-BE45-00A613F9B341",
"versionEndExcluding": "5.6.7",
"versionStartIncluding": "5.5"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*",
"vulnerable": true,
"matchCriteriaId": "3A756737-1CC4-42C2-A4DF-E1C893B4E2D5"
},
{
"criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "27227B35-932A-4035-B39F-6A455753C0D6"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "489D20B9-166F-423D-8C48-A23D3026E33B"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A4AD592C-222D-4C6F-B176-8145A1A5AFEC"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8603654B-A8A9-4DEB-B0DD-C82E1C885749"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78BE572F-45C1-467F-918F-FB1276F6B495"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DE7C6010-F736-4BDA-9E3B-C4370BBFA149"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "646FFC2B-6DC4-4BD8-AAE0-81895D397700"
},
{
"criteria": "cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C855C933-F271-45E6-8E85-8D7CF2EF1BE6"
},
{
"criteria": "cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E"
},
{
"criteria": "cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E94F7F59-1785-493F-91A7-5F5EA5E87E4D"
},
{
"criteria": "cpe:2.3:h:netapp:aff_baseboard_management_controller:a700s:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "804B2D7C-D890-4C4C-8A76-1760552E11BC"
},
{
"criteria": "cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "090AA6F4-4404-4E26-82AB-C3A22636F276"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}