CVE-2016-5696 (GCVE-0-2016-5696)
Vulnerability from cvelistv5 – Published: 2016-08-06 20:00 – Updated: 2024-08-06 01:08
VLAI
EPSS
VEX
Summary
net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.
Severity
4.8 (Medium)
CWE
- n/a
Assigner
References
32 references
Date Public
2016-07-12 00:00
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"url": "https://github.com/Gnoxter/mountain_goat"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758"
},
{
"source": "cve@mitre.org",
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10167"
},
{
"source": "cve@mitre.org",
"url": "https://security.paloaltonetworks.com/CVE-2016-5696"
},
{
"source": "cve@mitre.org",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1461-security-advisory-23"
},
{
"source": "cve@mitre.org",
"tags": [
"Technical Description"
],
"url": "https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=75ff39ccc1bd5d3c455b6822ab09e533c551f758"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1631.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1632.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1633.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1657.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1664.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1814.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1815.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2016-1939.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://source.android.com/security/bulletin/2016-10-01.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2016/07/12/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Technical Description"
],
"url": "http://www.prnewswire.com/news-releases/mitnick-attack-reappears-at-geekpwn-macau-contest-300270779.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/91704"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1036625"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3070-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3070-2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3070-3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3070-4"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3071-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3071-2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3072-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-3072-2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bto.bluecoat.com/security-advisory/sa131"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1354708"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/Gnoxter/mountain_goat"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Patch"
],
"url": "https://github.com/torvalds/linux/commit/75ff39ccc1bd5d3c455b6822ab09e533c551f758"
},
{
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"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10167"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.paloaltonetworks.com/CVE-2016-5696"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1461-security-advisory-23"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Technical Description"
],
"url": "https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_cao.pdf"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T11:42:26+00:00",
"cve": "CVE-2016-5696",
"id": "CVE-2016-5696",
"initial_release_date": "2016-07-12T00:00:00+00:00",
"product_status:fixed": "737",
"product_status:known_not_affected": "2",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: challenge ACK counter information disclosure.",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5696.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-08T00:28:14Z",
"cve": "CVE-2016-5696",
"id": "CVE-2016-5696",
"initial_release_date": "2023-02-15T05:00:15Z",
"product_status:known_affected": "17",
"product_status:known_not_affected": "426",
"product_status:recommended": "377",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2016-5696",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-5696.json",
"version": "20"
}
}
}
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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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