gsd-2016-3157
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2016-3157",
"description": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.",
"id": "GSD-2016-3157",
"references": [
"https://www.suse.com/security/cve/CVE-2016-3157.html",
"https://www.debian.org/security/2016/dsa-3607",
"https://ubuntu.com/security/CVE-2016-3157",
"https://alas.aws.amazon.com/cve/html/CVE-2016-3157.html",
"https://linux.oracle.com/cve/CVE-2016-3157.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2016-3157"
],
"details": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.",
"id": "GSD-2016-3157",
"modified": "2023-12-13T01:21:27.375962Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2016-3157",
"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": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "USN-2971-2",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2971-2"
},
{
"name": "http://xenbits.xen.org/xsa/advisory-171.html",
"refsource": "CONFIRM",
"url": "http://xenbits.xen.org/xsa/advisory-171.html"
},
{
"name": "USN-2970-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2970-1"
},
{
"name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
"refsource": "CONFIRM",
"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
},
{
"name": "USN-2969-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2969-1"
},
{
"name": "USN-2968-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2968-1"
},
{
"name": "USN-2971-3",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2971-3"
},
{
"name": "USN-2997-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2997-1"
},
{
"name": "DSA-3607",
"refsource": "DEBIAN",
"url": "http://www.debian.org/security/2016/dsa-3607"
},
{
"name": "USN-2971-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2971-1"
},
{
"name": "USN-2996-1",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2996-1"
},
{
"name": "USN-2968-2",
"refsource": "UBUNTU",
"url": "http://www.ubuntu.com/usn/USN-2968-2"
},
{
"name": "1035308",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1035308"
},
{
"name": "84594",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/84594"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2016-3157"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://xenbits.xen.org/xsa/advisory-171.html",
"refsource": "CONFIRM",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://xenbits.xen.org/xsa/advisory-171.html"
},
{
"name": "USN-2997-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2997-1"
},
{
"name": "USN-2996-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2996-1"
},
{
"name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
"refsource": "CONFIRM",
"tags": [],
"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
},
{
"name": "84594",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/84594"
},
{
"name": "DSA-3607",
"refsource": "DEBIAN",
"tags": [],
"url": "http://www.debian.org/security/2016/dsa-3607"
},
{
"name": "USN-2968-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2968-1"
},
{
"name": "USN-2969-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2969-1"
},
{
"name": "USN-2971-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2971-1"
},
{
"name": "USN-2971-2",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2971-2"
},
{
"name": "USN-2970-1",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2970-1"
},
{
"name": "USN-2971-3",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2971-3"
},
{
"name": "USN-2968-2",
"refsource": "UBUNTU",
"tags": [],
"url": "http://www.ubuntu.com/usn/USN-2968-2"
},
{
"name": "1035308",
"refsource": "SECTRACK",
"tags": [],
"url": "http://www.securitytracker.com/id/1035308"
}
]
}
},
"impact": {
"baseMetricV2": {
"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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2016-12-03T03:26Z",
"publishedDate": "2016-04-12T16:59Z"
}
}
}
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.