CVE-2023-2513
Estado: ModificadaMedia (6.7)—
A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.
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: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- Fecha de la puntuación: 7/10/2026
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 (2)
CWE
- CWE-416
- CWE-416
Referencias
- https://bugzilla.redhat.com/show_bug.cgi?id=2193097
- https://github.com/torvalds/linux/commit/67d7d8ad99be
- https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/
- https://bugzilla.redhat.com/show_bug.cgi?id=2193097
- https://github.com/torvalds/linux/commit/67d7d8ad99be
- https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-2513",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-2513",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-04-23T13:28:28.916450Z"
}
}
],
"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
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"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": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Linux kernel ext4 filesystem",
"versions": [
{
"status": "affected",
"version": "Fixed in kernel 6.0-rc1"
}
]
}
]
}
],
"published": "2023-05-08T21:15:11.077",
"references": [
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2193097",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://github.com/torvalds/linux/commit/67d7d8ad99be",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2193097",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/torvalds/linux/commit/67d7d8ad99be",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "secalert@redhat.com",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors."
}
],
"lastModified": "2026-06-17T05:52:45.360",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2100D1B8-9648-47E0-8CA8-90D1FE7C62FD",
"versionEndIncluding": "5.19"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}