cve-2018-7540
Vulnerability from cvelistv5
Published
2018-02-27 19:00
Modified
2024-08-05 06:31
Severity ?
EPSS score ?
Summary
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T06:31:04.408Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://xenbits.xen.org/xsa/advisory-252.html"
},
{
"name": "GLSA-201810-06",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/201810-06"
},
{
"name": "1040773",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id/1040773"
},
{
"name": "[debian-lts-announce] 20181112 [SECURITY] [DLA 1577-1] xen security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html"
},
{
"name": "[debian-lts-announce] 20180306 [SECURITY] [DLA 1300-1] xen security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html"
},
{
"name": "103174",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/103174"
},
{
"name": "DSA-4131",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2018/dsa-4131"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.citrix.com/article/CTX232655"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://support.citrix.com/article/CTX232096"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2018-02-27T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2018-11-13T10:57:01",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://xenbits.xen.org/xsa/advisory-252.html"
},
{
"name": "GLSA-201810-06",
"tags": [
"vendor-advisory",
"x_refsource_GENTOO"
],
"url": "https://security.gentoo.org/glsa/201810-06"
},
{
"name": "1040773",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK"
],
"url": "http://www.securitytracker.com/id/1040773"
},
{
"name": "[debian-lts-announce] 20181112 [SECURITY] [DLA 1577-1] xen security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html"
},
{
"name": "[debian-lts-announce] 20180306 [SECURITY] [DLA 1300-1] xen security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html"
},
{
"name": "103174",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/103174"
},
{
"name": "DSA-4131",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2018/dsa-4131"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.citrix.com/article/CTX232655"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://support.citrix.com/article/CTX232096"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2018-7540",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://xenbits.xen.org/xsa/advisory-252.html",
"refsource": "CONFIRM",
"url": "https://xenbits.xen.org/xsa/advisory-252.html"
},
{
"name": "GLSA-201810-06",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/201810-06"
},
{
"name": "1040773",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1040773"
},
{
"name": "[debian-lts-announce] 20181112 [SECURITY] [DLA 1577-1] xen security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html"
},
{
"name": "[debian-lts-announce] 20180306 [SECURITY] [DLA 1300-1] xen security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html"
},
{
"name": "103174",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/103174"
},
{
"name": "DSA-4131",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2018/dsa-4131"
},
{
"name": "https://support.citrix.com/article/CTX232655",
"refsource": "CONFIRM",
"url": "https://support.citrix.com/article/CTX232655"
},
{
"name": "https://support.citrix.com/article/CTX232096",
"refsource": "CONFIRM",
"url": "https://support.citrix.com/article/CTX232096"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2018-7540",
"datePublished": "2018-02-27T19:00:00",
"dateReserved": "2018-02-27T00:00:00",
"dateUpdated": "2024-08-05T06:31:04.408Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2018-7540\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2018-02-27T19:29:00.607\",\"lastModified\":\"2018-11-13T11:29:31.540\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema en Xen hasta las versiones 4.10.x que permite que usuarios invitados del sistema operativo x86 PV provoquen una denegaci\u00f3n de servicio (bloqueo de la CPU del sistema operativo del host) mediante la liberaci\u00f3n de una p\u00e1gina de tabla L3/L4 de tipo non-preemptable.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.0,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":4.9},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.10.0\",\"matchCriteriaId\":\"CCDFE96D-9999-441D-ACD6-74C3A2FDD8EF\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/103174\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id/1040773\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.gentoo.org/glsa/201810-06\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.citrix.com/article/CTX232096\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.citrix.com/article/CTX232655\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.debian.org/security/2018/dsa-4131\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://xenbits.xen.org/xsa/advisory-252.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading...
Loading...
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.
- 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.