gsd-2017-15126
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-15126",
"description": "A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().",
"id": "GSD-2017-15126",
"references": [
"https://www.suse.com/security/cve/CVE-2017-15126.html",
"https://access.redhat.com/errata/RHSA-2018:1062",
"https://access.redhat.com/errata/RHSA-2018:0676",
"https://linux.oracle.com/cve/CVE-2017-15126.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2017-15126"
],
"details": "A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().",
"id": "GSD-2017-15126",
"modified": "2023-12-13T01:20:59.074004Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2017-15126",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux Kernel before 4.13.6",
"version": {
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{
"version_affected": "=",
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}
]
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}
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}
},
"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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"value": "A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put()."
}
]
},
"problemtype": {
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{
"description": [
{
"cweId": "CWE-119",
"lang": "eng",
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}
]
}
]
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"refsource": "MISC",
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},
{
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"url": "https://access.redhat.com/errata/RHSA-2018:1062"
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{
"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252",
"refsource": "MISC",
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252"
},
{
"name": "http://www.securityfocus.com/bid/102516",
"refsource": "MISC",
"url": "http://www.securityfocus.com/bid/102516"
},
{
"name": "https://access.redhat.com/security/cve/CVE-2017-15126",
"refsource": "MISC",
"url": "https://access.redhat.com/security/cve/CVE-2017-15126"
},
{
"name": "https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252",
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"url": "https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252"
},
{
"name": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6",
"refsource": "MISC",
"url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1523481",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1523481"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
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"descriptions": [
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"lang": "en",
"value": "A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put()."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo de uso de memoria previamente liberada en fs/userfaultfd.c en el kernel de Linux en versiones anteriores a la 4.13.6. El problema se relaciona con la gesti\u00f3n del error de bifurcaci\u00f3n al gestionar mensajes de evento. El error al bifurcar correctamente puede llevar a una situaci\u00f3n en la que un evento fork se eliminar\u00e1 de una lista ya liberada de eventos con userfaultfd_ctx_put()."
}
],
"id": "CVE-2017-15126",
"lastModified": "2024-02-05T19:52:32.133",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 9.3,
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"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
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"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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},
"published": "2018-01-14T06:29:00.217",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252"
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"url": "http://www.securityfocus.com/bid/102516"
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"url": "https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252"
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"url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6"
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Analyzed",
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}
}
}
}
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