gsd-2019-11487
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-11487",
"description": "The Linux kernel before 5.1-rc5 allows page-\u003e_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.",
"id": "GSD-2019-11487",
"references": [
"https://www.suse.com/security/cve/CVE-2019-11487.html",
"https://access.redhat.com/errata/RHSA-2020:4182",
"https://access.redhat.com/errata/RHSA-2020:3266",
"https://access.redhat.com/errata/RHSA-2020:3230",
"https://access.redhat.com/errata/RHSA-2020:2851",
"https://access.redhat.com/errata/RHSA-2020:0839",
"https://access.redhat.com/errata/RHSA-2020:0834",
"https://access.redhat.com/errata/RHSA-2020:0174",
"https://access.redhat.com/errata/RHSA-2019:2741",
"https://access.redhat.com/errata/RHSA-2019:2703",
"https://ubuntu.com/security/CVE-2019-11487",
"https://linux.oracle.com/cve/CVE-2019-11487.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
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"id": "GSD-2019-11487",
"modified": "2023-12-13T01:24:02.470404Z",
"schema_version": "1.4.0"
}
},
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},
{
"name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"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,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"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
}
},
"lastModifiedDate": "2023-02-24T18:43Z",
"publishedDate": "2019-04-23T22:29Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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