CVE-2010-1636
Estado: ModificadaBaja (2.1)—Exploit
Gravedad2.1Baja · CVSS 2.0
Probabilidad de explotación0.83 %mayor que el 57 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB
La función btrfs_ioctl_clone en fs/btrfs/ioctl.c en la funcionalidad btrfs del kernel de Linux v2.6.29 a v2.6.32, y posiblemente otras versiones, no garantiza que un descriptor de archivo clonado ha sido abierto solo para lectura, lo cual permite leer información sensible de un descriptor de fichero de solo escritura a usuarios locales del sistema.
CVSS
- Puntuación base
- 2.1
- Versión
- 2.0
- Vector
- AV:L/AC:L/Au:N/C:P/I:N/A:N
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.83 %
- Percentil entre todas las CVEs puntuadas
- 57
- Fecha de la puntuación
- 20/10/2026
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).
Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · Linux Kernel 2.6.x - Btrfs Cloned File Security Bypass (18/5/2010)
Tecnologías afectadas (1)
CWE
- CWE-200
Referencias
Mostrar las 12 referencias
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395
- http://www.openwall.com/lists/oss-security/2010/05/18/10
- http://www.openwall.com/lists/oss-security/2010/05/18/2
- http://www.openwall.com/lists/oss-security/2010/05/25/8
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585
- https://bugzilla.redhat.com/show_bug.cgi?id=593226
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395
- http://www.openwall.com/lists/oss-security/2010/05/18/10
- http://www.openwall.com/lists/oss-security/2010/05/18/2
- http://www.openwall.com/lists/oss-security/2010/05/25/8
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585
- https://bugzilla.redhat.com/show_bug.cgi?id=593226
JSON original (NVD)
Mostrar
{
"id": "CVE-2010-1636",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2010-06-08T00:30:01.397",
"references": [
{
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/18/10",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/18/2",
"tags": [
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/25/8",
"source": "secalert@redhat.com"
},
{
"url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585",
"tags": [
"Exploit",
"Patch"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=593226",
"tags": [
"Exploit"
],
"source": "secalert@redhat.com"
},
{
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/18/10",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/18/2",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2010/05/25/8",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585",
"tags": [
"Exploit",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=593226",
"tags": [
"Exploit"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel 2.6.29 through 2.6.32, and possibly other versions, does not ensure that a cloned file descriptor has been opened for reading, which allows local users to read sensitive information from a write-only file descriptor."
},
{
"lang": "es",
"value": "La función btrfs_ioctl_clone en fs/btrfs/ioctl.c en la funcionalidad btrfs del kernel de Linux v2.6.29 a v2.6.32, y posiblemente otras versiones, no garantiza que un descriptor de archivo clonado ha sido abierto solo para lectura, lo cual permite leer información sensible de un descriptor de fichero de solo escritura a usuarios locales del sistema."
}
],
"lastModified": "2026-06-16T23:18:45.470",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C386B13F-9D7C-45F8-B86A-886384144A8D"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04BCABEB-DE2A-4C85-BFD5-7A1318479ECA"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A67A63E8-837E-4162-999E-3B3DAAE57C96"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A701E87D-B807-426E-9CD4-6721DBCABE19"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "66F6E506-EC0A-4784-BDA3-B7B5CD938B92"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DBFA0277-B491-4BB1-88DC-85362F0A689C"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.29.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BE922924-6496-4D24-94A6-8EDD431A4568"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "10E55450-F6D9-483C-9CC8-E651E5A12AB1"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "99AC6D46-A0BF-4F1D-88BB-03BF74FDB84F"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CC40B6DE-09D9-422B-965B-7EB9F6661DEB"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FEFB6E91-34CD-4FC5-A8E1-8F5760A9B4C0"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "91170B40-4D25-4E40-8F0B-DBC1AE217F99"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9E28B8B9-B832-4D77-BE1A-BB5D8A678678"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "56DF61F4-5DA1-4D79-B6C0-0E4DB825FB3A"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "468745AA-0BE5-4B22-91FA-2FD350BD2F64"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FF208118-3534-47E5-9943-83EF165F1249"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.9:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "427E3009-A2F2-4ED2-8D1A-14938F639D2A"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.30.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DD3663BD-4EF5-496C-A573-2639C9E72214"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C4033E0B-A3A1-4CC5-956A-AAA0FB905DDA"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AC3151BF-4BEE-4415-ABA2-E6D40673E591"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1037E899-6DB3-423D-9AD0-FE79A67E9681"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E4DD2F05-F990-417A-BD6D-CD9A7EB2BD55"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0634D7FE-7685-4669-8EF9-54E99683D28E"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.5:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9EEEB962-0E8D-402B-989E-96875453C609"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0042D9C4-7081-4DC2-A5B5-2649374B44F3"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CD18FA2-677A-4934-88E6-0BB78D789875"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "24EF19A2-A1CC-4410-8704-EF4041428383"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.9:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C9502A7E-2BFF-43A7-BF6B-ADC023BD9331"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6DC9A36E-1779-49DE-83CE-B8479CA018FA"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "60B18050-4720-4ACB-AEE2-DEB4BFCA7B6E"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.12:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9704C4B5-28F1-4F62-A389-8A9917E8E99D"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.31.13:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6574F543-0B91-49A6-81FA-8142007BCD54"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.32:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "46568A0D-F374-4DAB-9B64-FCC74A9AA07B"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}