CVE-2010-2524 (GCVE-0-2010-2524)
Vulnerability from cvelistv5 – Published: 2010-09-08 19:00 – Updated: 2024-08-07 02:39
VLAI
EPSS
VEX
Summary
The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a user's keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a "cache stuffing" issue and MS-DFS referrals.
Severity
7.8 (High)
CWE
- n/a
Assigner
References
13 references
Date Public
2010-08-01 00:00
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"matchCriteriaId": "A2BCB73E-27BB-4878-AD9C-90C4F20C25A0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*",
"matchCriteriaId": "01EDA41C-6B2E-49AF-B503-EB3882265C11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*",
"matchCriteriaId": "87614B58-24AB-49FB-9C84-E8DDBA16353B",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp1:*:*:*:*:*:*",
"matchCriteriaId": "10A193CD-12B9-4236-8A2C-E8CEAE592952",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp1:*:*:*:*:*:*",
"matchCriteriaId": "F691F4E7-2FF1-4EFB-B21F-E510049A9940",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a user\u0027s keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a \"cache stuffing\" issue and MS-DFS referrals."
},
{
"lang": "es",
"value": "La funcionalidad de resoluci\u00f3n DNS en el kernel de Linux anterior a v2.6.35, cuando CONFIG_CIFS_DFS_UPCALL est\u00e1 activado, cuenta con el \"keyring\" de usuario para la \"upcall\" dns_resolver en el espacio de usuario cifs.upcall, lo que permite a usuarios locales secuestrar los resultados de las consultas DNS y realizar montajes (mounts) CIFS de su elecci\u00f3n a trav\u00e9s de vectores que involucran una llamada add_key, relacionado con un cuesti\u00f3n de relleno de cach\u00e9 (stuffing) y referencias MS-DFS."
}
],
"id": "CVE-2010-2524",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2010-09-08T20:00:02.823",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4c0c03ca54f72fdd5912516ad0a23ec5cf01bda7"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://marc.info/?l=oss-security\u0026m=128072090331700\u0026w=2"
},
{
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"tags": [
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"Patch",
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],
"url": "http://marc.info/?l=oss-security\u0026m=128078387328921\u0026w=2"
},
{
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],
"url": "http://marc.info/?l=oss-security\u0026m=128080755321157\u0026w=2"
},
{
"source": "secalert@redhat.com",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/43315"
},
{
"source": "secalert@redhat.com",
"tags": [
"Broken Link"
],
"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35"
},
{
"source": "secalert@redhat.com",
"tags": [
"Broken Link"
],
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:172"
},
{
"source": "secalert@redhat.com",
"tags": [
"Broken Link"
],
"url": "http://www.redhat.com/support/errata/RHSA-2010-0610.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-1000-1"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=612166"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4c0c03ca54f72fdd5912516ad0a23ec5cf01bda7"
},
{
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"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
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"Third Party Advisory"
],
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},
{
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"Patch",
"Third Party Advisory"
],
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},
{
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"tags": [
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"Third Party Advisory"
],
"url": "http://marc.info/?l=oss-security\u0026m=128080755321157\u0026w=2"
},
{
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"tags": [
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],
"url": "http://secunia.com/advisories/43315"
},
{
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"tags": [
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],
"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
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],
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2010:172"
},
{
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],
"url": "http://www.redhat.com/support/errata/RHSA-2010-0610.html"
},
{
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],
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},
{
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"tags": [
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],
"url": "http://www.ubuntu.com/usn/USN-1000-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=612166"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T13:03:16+00:00",
"cve": "CVE-2010-2524",
"id": "CVE-2010-2524",
"initial_release_date": "2010-07-22T00:00:00+00:00",
"product_status:fixed": "122",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: dns_resolver upcall security issue",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-2524.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-09T23:40:33Z",
"cve": "CVE-2010-2524",
"id": "CVE-2010-2524",
"initial_release_date": "2023-02-15T05:58:21Z",
"product_status:known_not_affected": "489",
"product_status:recommended": "31",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2010-2524",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-2524.json",
"version": "16"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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