CVE-2019-8912 (GCVE-0-2019-8912)
Vulnerability from cvelistv5 – Published: 2019-02-18 18:00 – Updated: 2024-08-04 21:31
VLAI
EPSS
VEX
Summary
In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.
Severity
7.8 (High)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/107063 | vdb-entryx_refsource_BID |
| http://patchwork.ozlabs.org/patch/1042902/ | x_refsource_MISC |
| https://usn.ubuntu.com/3930-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3931-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3931-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3930-2/ | vendor-advisoryx_refsource_UBUNTU |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://access.redhat.com/errata/RHSA-2020:0174 | vendor-advisoryx_refsource_REDHAT |
Date Public
2019-02-18 00:00
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"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
"matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
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}
],
"negate": false,
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}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr."
},
{
"lang": "es",
"value": "En el kernel de Linux, hasta la versi\u00f3n 4.20.11, af_alg_release() en crypto/af_alg.c no establece un valor NULL para cierto miembro de estructura, lo que conduce a un uso de memoria previamente liberada en sockfs_setattr."
}
],
"id": "CVE-2019-8912",
"lastModified": "2024-11-21T04:50:39.077",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
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"baseScore": 7.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-02-18T18:29:00.380",
"references": [
{
"source": "cve@mitre.org",
"tags": [
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"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html"
},
{
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},
{
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},
{
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],
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},
{
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],
"url": "https://usn.ubuntu.com/3930-1/"
},
{
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],
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},
{
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],
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},
{
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},
{
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912"
},
{
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],
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},
{
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"tags": [
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],
"url": "http://patchwork.ozlabs.org/patch/1042902/"
},
{
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"tags": [
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],
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},
{
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},
{
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{
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},
{
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],
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},
{
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"tags": [
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],
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T12:00:45+00:00",
"cve": "CVE-2019-8912",
"id": "CVE-2019-8912",
"initial_release_date": "2019-02-15T00:00:00+00:00",
"product_status:fixed": "25",
"product_status:known_not_affected": "103",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-8912.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-13T00:10:12Z",
"cve": "CVE-2019-8912",
"id": "CVE-2019-8912",
"initial_release_date": "2023-02-15T04:15:07Z",
"product_status:known_affected": "405",
"product_status:known_not_affected": "408",
"product_status:recommended": "1218",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2019-8912",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-8912.json",
"version": "45"
}
}
}
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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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