USN-4343-1 (UBUNTU-CVE-2020-11884)
Vulnerability from osv_ubuntu – Published: 2020-04-28 23:27 – Updated: 2026-06-03 10:45 – Source website
VLAI
Summary
linux vulnerability
Details
Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.
References
| URL | Type | |
|---|---|---|
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{
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{
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{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
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}
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"aliases": [],
"details": "Al Viro discovered that the Linux kernel for s390x systems did not properly\nperform page table upgrades for kernel sections that use secondary address\nmode. A local attacker could use this to cause a denial of service (system\ncrash) or execute arbitrary code.\n",
"id": "USN-4343-1",
"modified": "2026-06-03T10:45:21Z",
"published": "2020-04-28T23:27:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4343-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-11884"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "linux vulnerability",
"upstream": [
"UBUNTU-CVE-2020-11884"
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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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
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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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