CVE-2024-26973
Estado: ModificadaMedia (5.5)—
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fat: corrige el campo no inicializado en los identificadores de archivos notale Cuando fat_encode_fh_nostale() codifica el identificador de archivo sin un padre, almacena solo los primeros 10 bytes del identificador de archivo. Sin embargo, la longitud del identificador del archivo debe ser múltiplo de 4, por lo que el identificador del archivo tiene en realidad 12 bytes de longitud y los dos últimos bytes permanecen sin inicializar. Esto no es bueno porque potencialmente filtramos información no inicializada con el identificador al espacio de usuario. Inicialice correctamente toda la longitud del mango.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.26%
- Percentil entre todas las CVEs puntuadas: 16
- Fecha de la puntuación: 8/10/2026
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-908
Referencias
- https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb
- https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688
- https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63
- https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6
- https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee
- https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375
- https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6
- https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f
- https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c
- https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb
- https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688
- https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63
- https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6
- https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee
- https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375
- https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6
- https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f
- https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-26973",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-26973",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-10T15:45:13.490208Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "9840d1897e28f8733cc1e38f97e044f987dc0a63",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "f52d7663a10a1266a2d3871a6dd8fd111edc549f",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "a276c595c3a629170b0f052a3724f755d7c6adc6",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "c8cc05de8e6b5612b6e9f92c385c1a064b0db375",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "03a7e3f2ba3ca25f1da1d3898709a08db14c1abb",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "74f852654b8b7866f15323685f1e178d3386c688",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "cdd33d54e789d229d6d5007cbf3f53965ca1a5c6",
"versionType": "git"
},
{
"status": "affected",
"version": "ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2",
"lessThan": "fde2497d2bc3a063d8af88b258dbadc86bd7b57c",
"versionType": "git"
}
],
"programFiles": [
"fs/fat/nfs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.10"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.10",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.19.312",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.274",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.215",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.154",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.84",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.24",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.12",
"versionType": "semver",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8.3",
"versionType": "semver",
"lessThanOrEqual": "6.8.*"
},
{
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/fat/nfs.c"
],
"defaultStatus": "affected"
}
]
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"affectedData": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"versions": [
{
"status": "affected",
"version": "V3.1.0",
"lessThan": "V3.1.5",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"versions": [
{
"status": "affected",
"version": "V3.1.0",
"lessThan": "V3.1.5",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"versions": [
{
"status": "affected",
"version": "V3.1.0",
"lessThan": "V3.1.5",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"versions": [
{
"status": "affected",
"version": "V3.1.0",
"lessThan": "V3.1.5",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"versions": [
{
"status": "affected",
"version": "V3.1.0",
"lessThan": "V3.1.5",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-05-01T06:15:13.920",
"references": [
{
"url": "https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c",
"tags": [
"Mailing List",
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/03a7e3f2ba3ca25f1da1d3898709a08db14c1abb",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/74f852654b8b7866f15323685f1e178d3386c688",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/9840d1897e28f8733cc1e38f97e044f987dc0a63",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/a276c595c3a629170b0f052a3724f755d7c6adc6",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/c8cc05de8e6b5612b6e9f92c385c1a064b0db375",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/cdd33d54e789d229d6d5007cbf3f53965ca1a5c6",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/f52d7663a10a1266a2d3871a6dd8fd111edc549f",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/fde2497d2bc3a063d8af88b258dbadc86bd7b57c",
"tags": [
"Mailing List",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
"tags": [
"Mailing List"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
"tags": [
"Mailing List"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-908"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfat: fix uninitialized field in nostale filehandles\n\nWhen fat_encode_fh_nostale() encodes file handle without a parent it\nstores only first 10 bytes of the file handle. However the length of the\nfile handle must be a multiple of 4 so the file handle is actually 12\nbytes long and the last two bytes remain uninitialized. This is not\ngreat at we potentially leak uninitialized information with the handle\nto userspace. Properly initialize the full handle length."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fat: corrige el campo no inicializado en los identificadores de archivos notale Cuando fat_encode_fh_nostale() codifica el identificador de archivo sin un padre, almacena solo los primeros 10 bytes del identificador de archivo. Sin embargo, la longitud del identificador del archivo debe ser múltiplo de 4, por lo que el identificador del archivo tiene en realidad 12 bytes de longitud y los dos últimos bytes permanecen sin inicializar. Esto no es bueno porque potencialmente filtramos información no inicializada con el identificador al espacio de usuario. Inicialice correctamente toda la longitud del mango."
}
],
"lastModified": "2026-06-17T07:18:49.843",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4C7F71FA-7833-4686-B8C9-2BAD5CBCA1C2",
"versionEndExcluding": "4.19.312",
"versionStartIncluding": "3.10"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F45A0F3C-C16D-49C4-86D6-D021C3D4B834",
"versionEndExcluding": "5.4.274",
"versionStartIncluding": "4.20"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CD5894E-58E9-4B4A-B0F4-3E6BC134B8F5",
"versionEndExcluding": "5.10.215",
"versionStartIncluding": "5.5"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "577E212E-7E95-4A71-9B5C-F1D1A3AFFF46",
"versionEndExcluding": "5.15.154",
"versionStartIncluding": "5.11"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "834D9BD5-42A6-4D74-979E-4D6D93F630FD",
"versionEndExcluding": "6.1.84",
"versionStartIncluding": "5.16"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8018C1D0-0A5F-48D0-BC72-A2B33FDDA693",
"versionEndExcluding": "6.6.24",
"versionStartIncluding": "6.2"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6BE9771A-BAFD-4624-95F9-58D536540C53",
"versionEndExcluding": "6.7.12",
"versionStartIncluding": "6.7"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4C59BBC3-6495-4A77-9C82-55EC7CDF5E02",
"versionEndExcluding": "6.8.3",
"versionStartIncluding": "6.8"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}