USN-5928-1 (UBUNTU-CVE-2022-3821)
Vulnerability from osv_ubuntu – Published: 2023-03-07 07:35 – Updated: 2026-06-29 10:53 – Source website
VLAI
Summary
systemd vulnerabilities
Details
It was discovered that systemd did not properly validate the time and accuracy values provided to the format_timespan() function. An attacker could possibly use this issue to cause a buffer overrun, leading to a denial of service attack. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-3821)
It was discovered that systemd did not properly manage the fs.suid_dumpable kernel configurations. A local attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-4415)
It was discovered that systemd did not properly manage a crash with long backtrace data. A local attacker could possibly use this issue to cause a deadlock, leading to a denial of service attack. This issue only affected Ubuntu 22.10. (CVE-2022-45873)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-3821",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
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}
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},
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"204-5ubuntu15",
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"204-5ubuntu18",
"204-5ubuntu19",
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},
{
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{
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"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
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}
},
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"229-4ubuntu16",
"229-4ubuntu17",
"229-4ubuntu19",
"229-4ubuntu20",
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},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
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"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
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"availability": "No subscription required",
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},
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},
{
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},
{
"binary_name": "libnss-systemd",
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{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
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{
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{
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{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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},
{
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"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
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"availability": "No subscription required",
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{
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},
{
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"245.4-4ubuntu3.16",
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"245.4-4ubuntu3.19"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2022-3821",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2022-4415",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
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},
{
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},
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{
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},
{
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"binary_version": "249.11-0ubuntu3.7"
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},
"package": {
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"name": "systemd",
"purl": "pkg:deb/ubuntu/systemd@249.11-0ubuntu3.7?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "249.11-0ubuntu3.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"248.3-1ubuntu8",
"249.5-2ubuntu1",
"249.5-2ubuntu2",
"249.5-2ubuntu3",
"249.5-2ubuntu4",
"249.9-0ubuntu2",
"249.10-0ubuntu1",
"249.10-0ubuntu2",
"249.11-0ubuntu1",
"249.11-0ubuntu2",
"249.11-0ubuntu3",
"249.11-0ubuntu3.1",
"249.11-0ubuntu3.3",
"249.11-0ubuntu3.4",
"249.11-0ubuntu3.6"
]
}
],
"aliases": [],
"details": "It was discovered that systemd did not properly validate the time and\naccuracy values provided to the format_timespan() function. An attacker\ncould possibly use this issue to cause a buffer overrun, leading to a\ndenial of service attack. This issue only affected Ubuntu 14.04 ESM, Ubuntu\n16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.\n(CVE-2022-3821)\n\nIt was discovered that systemd did not properly manage the fs.suid_dumpable\nkernel configurations. A local attacker could possibly use this issue to\nexpose sensitive information. This issue only affected Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-4415)\n\nIt was discovered that systemd did not properly manage a crash with long\nbacktrace data. A local attacker could possibly use this issue to cause a\ndeadlock, leading to a denial of service attack. This issue only affected\nUbuntu 22.10. (CVE-2022-45873)\n",
"id": "USN-5928-1",
"modified": "2026-06-29T10:53:00Z",
"published": "2023-03-07T07:35:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5928-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-3821"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-4415"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-45873"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "systemd vulnerabilities",
"upstream": [
"UBUNTU-CVE-2022-3821",
"UBUNTU-CVE-2022-4415",
"UBUNTU-CVE-2022-45873"
]
}
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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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