FKIE_CVE-2020-12114
Vulnerability from fkie_nvd - Published: 2020-05-04 12:15 - Updated: 2026-06-17 02:51
Severity
Summary
A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
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"versionStartIncluding": "4.4.0",
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}
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"negate": false,
"operator": "OR"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter."
},
{
"lang": "es",
"value": "Una condici\u00f3n de carrera en la funci\u00f3n pivot_root en el archivo fs/namespace.c en el kernel de Linux versiones 4.4.x anteriores a la versi\u00f3n 4.4.221, versiones 4.9.x anteriores a la versi\u00f3n 4.9.221, versiones 4.14.x anteriores a la versi\u00f3n 4.14.178, versiones 4.19.x anteriores a 4.19.119, y versiones 5.x anteriores a la versi\u00f3n 5.3, permite a usuarios locales causar una denegaci\u00f3n de servicio (p\u00e1nico) al corromper un contador de referencia de punto de montaje."
}
],
"id": "CVE-2020-12114",
"lastModified": "2026-06-17T02:51:25.823",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 1.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
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"cvssMetricV31": [
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"baseScore": 4.7,
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"confidentialityImpact": "NONE",
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"source": "nvd@nist.gov",
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},
"published": "2020-05-04T12:15:12.577",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
},
{
"source": "cve@mitre.org",
"url": "http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html"
},
{
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"tags": [
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"url": "http://www.openwall.com/lists/oss-security/2020/05/04/2"
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{
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"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"
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"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
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"url": "https://usn.ubuntu.com/4387-1/"
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{
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"url": "https://usn.ubuntu.com/4390-1/"
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{
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"url": "https://usn.ubuntu.com/4391-1/"
},
{
"source": "cve@mitre.org",
"url": "https://usn.ubuntu.com/4392-1/"
},
{
"source": "cve@mitre.org",
"url": "https://www.debian.org/security/2020/dsa-4698"
},
{
"source": "cve@mitre.org",
"url": "https://www.debian.org/security/2020/dsa-4699"
},
{
"source": "cve@mitre.org",
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html"
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"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
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"url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
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"url": "https://usn.ubuntu.com/4387-1/"
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{
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"url": "https://usn.ubuntu.com/4388-1/"
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"url": "https://usn.ubuntu.com/4391-1/"
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"url": "https://www.debian.org/security/2020/dsa-4698"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2020/dsa-4699"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
}
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-362"
}
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"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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