usn-3220-2
Vulnerability from osv_ubuntu
Published
2017-03-08 02:07
Modified
2026-02-10 04:41
Summary
linux-lts-xenial vulnerability
Details
USN-3220-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.
Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges.
References
| URL | Type | |
|---|---|---|
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{
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"cves_map": {
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{
"id": "CVE-2017-2636",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
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{
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"type": "Ubuntu"
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"package": {
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"name": "linux-lts-xenial",
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},
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{
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{
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{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"4.4.0-14.30~14.04.2",
"4.4.0-15.31~14.04.1",
"4.4.0-18.34~14.04.1",
"4.4.0-21.37~14.04.1",
"4.4.0-22.39~14.04.1",
"4.4.0-22.40~14.04.1",
"4.4.0-24.43~14.04.1",
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"4.4.0-42.62~14.04.1",
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"4.4.0-51.72~14.04.1",
"4.4.0-53.74~14.04.1",
"4.4.0-57.78~14.04.1",
"4.4.0-59.80~14.04.1",
"4.4.0-62.83~14.04.1",
"4.4.0-63.84~14.04.2",
"4.4.0-64.85~14.04.1"
]
}
],
"aliases": [],
"details": "USN-3220-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu\n14.04 LTS.\n\nAlexander Popov discovered that the N_HDLC line discipline implementation\nin the Linux kernel contained a double-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly gain\nadministrative privileges.\n",
"id": "USN-3220-2",
"modified": "2026-02-10T04:41:06Z",
"published": "2017-03-08T02:07:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3220-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-2636"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "linux-lts-xenial vulnerability",
"upstream": [
"UBUNTU-CVE-2017-2636"
]
}
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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.
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.
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