fkie_cve-2022-32296
Vulnerability from fkie_nvd
Published
2022-06-05 22:15
Modified
2024-11-21 07:06
Severity ?
Summary
The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "25C3E3D8-C739-42D8-853F-3589B322CD1E",
"versionEndExcluding": "5.17.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (\"Double-Hash Port Selection Algorithm\") of RFC 6056."
},
{
"lang": "es",
"value": "El kernel de Linux anterior a la versi\u00f3n 5.17.9 permite a los servidores TCP identificar a los clientes observando qu\u00e9 puertos de origen se utilizan. Esto ocurre debido al uso del Algoritmo 4 (\"Double-Hash Port Selection Algorithm\") del RFC 6056"
}
],
"id": "CVE-2022-32296",
"lastModified": "2024-11-21T07:06:07.740",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-06-05T22:15:08.797",
"references": [
{
"source": "cve@mitre.org",
"url": "https://arxiv.org/abs/2209.12993"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"
},
{
"source": "cve@mitre.org",
"url": "https://github.com/0xkol/rfc6056-device-tracker"
},
{
"source": "cve@mitre.org",
"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
},
{
"source": "cve@mitre.org",
"url": "https://www.debian.org/security/2022/dsa-5173"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://arxiv.org/abs/2209.12993"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch",
"Vendor Advisory"
],
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/0xkol/rfc6056-device-tracker"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2022/dsa-5173"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-330"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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