CVE-2017-7645 (GCVE-0-2017-7645)
Vulnerability from cvelistv5 – Published: 2017-04-18 14:00 – Updated: 2024-08-05 16:12
VLAI
EPSS
VEX
Summary
The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://marc.info/?l=linux-nfs&m=149247516212924&w=2 | x_refsource_MISC |
| https://access.redhat.com/errata/RHSA-2017:1615 | vendor-advisoryx_refsource_REDHAT |
| https://usn.ubuntu.com/3754-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2017:1647 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2017:1616 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:1319 | vendor-advisoryx_refsource_REDHAT |
| https://github.com/torvalds/linux/commit/e6838a29… | x_refsource_CONFIRM |
| https://help.ecostruxureit.com/display/public/UAD… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/97950 | vdb-entryx_refsource_BID |
| https://marc.info/?l=linux-nfs&m=149218228327497&w=2 | x_refsource_MISC |
| http://www.debian.org/security/2017/dsa-3886 | vendor-advisoryx_refsource_DEBIAN |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
Date Public
2017-04-18 00:00
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"nvd": "{\"cve\":{\"id\":\"CVE-2017-7645\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2017-04-18T14:59:00.213\",\"lastModified\":\"2026-05-13T00:24:29.033\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c.\"},{\"lang\":\"es\",\"value\":\"El servidor NFSv2/NFSv3 en el subsistema nfsd en el Kernel de Linux hasta la versi\u00f3n 4.10.11 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de sistema) a trav\u00e9s de una respuesta RPC larga, relacionada con net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c y fs/nfsd/nfsxdr.c.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.2.89\",\"matchCriteriaId\":\"9A5C1F01-214B-4477-A3A1-F6DF10181D3C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3\",\"versionEndExcluding\":\"3.10.107\",\"matchCriteriaId\":\"314F9C88-C8E1-46EF-8119-538C824ED137\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.11\",\"versionEndExcluding\":\"3.12.74\",\"matchCriteriaId\":\"75647580-464B-4AEF-8DE2-F17D1748F182\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.13\",\"versionEndExcluding\":\"3.16.44\",\"matchCriteriaId\":\"50A4478F-EC43-46DF-AE23-9298AE3F8892\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.17\",\"versionEndExcluding\":\"3.18.52\",\"matchCriteriaId\":\"8104AAC1-9700-4372-8E11-37B09309A76F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.19\",\"versionEndExcluding\":\"4.1.40\",\"matchCriteriaId\":\"70E79011-B658-40F2-B406-D3619DEBFACD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"4.4.66\",\"matchCriteriaId\":\"BF5669AA-0250-493C-9D38-F0B563103943\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.5\",\"versionEndExcluding\":\"4.9.26\",\"matchCriteriaId\":\"92A58CFB-13B7-4E99-8A14-A0308E4F126A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.10.14\",\"matchCriteriaId\":\"90895EF1-9DC7-4E47-A937-405661F7A44B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"815D70A8-47D3-459C-A32C-9FEACA0659D1\"}]}]}],\"references\":[{\"url\":\"http://www.debian.org/security/2017/dsa-3886\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third 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"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T11:14:47+00:00",
"cve": "CVE-2017-7645",
"id": "CVE-2017-7645",
"initial_release_date": "2017-04-14T00:00:00+00:00",
"product_status:fixed": "387",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: nfsd: Incorrect handling of long RPC replies",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-7645.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-05T01:20:21Z",
"cve": "CVE-2017-7645",
"id": "CVE-2017-7645",
"initial_release_date": "2023-02-15T04:47:18Z",
"product_status:known_affected": "12",
"product_status:known_not_affected": "276",
"product_status:recommended": "185",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2017-7645",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-7645.json",
"version": "25"
}
}
}
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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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