gsd-2017-12168
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-12168",
"description": "The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).",
"id": "GSD-2017-12168",
"references": [
"https://www.suse.com/security/cve/CVE-2017-12168.html",
"https://access.redhat.com/errata/RHEA-2017:3163"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2017-12168"
],
"details": "The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).",
"id": "GSD-2017-12168",
"modified": "2023-12-13T01:21:03.863314Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2017-12168",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux kernel before 4.9",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "Linux kernel before 4.9"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR)."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-617",
"lang": "eng",
"value": "assert failure CWE-617"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9",
"refsource": "MISC",
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9"
},
{
"name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11",
"refsource": "MISC",
"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11"
},
{
"name": "https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9",
"refsource": "MISC",
"url": "https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1492984",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492984"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BA4CF0D6-DBAC-4857-A977-D43B9018CE3D",
"versionEndIncluding": "4.8.10",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR)."
},
{
"lang": "es",
"value": "La funci\u00f3n access_pmu_evcntr en arch/arm64/kvm/sys_regs.c en el kernel Linux en versiones anteriores a la 4.8.11 permite que los usuarios KVM invitados del sistema operativo provoquen una denegaci\u00f3n de servicio (fallo de aserci\u00f3n y cierre inesperado del sistema operativo del host) accediendo a Performance Monitors Cycle Count Register (PMCCNTR)."
}
],
"id": "CVE-2017-12168",
"lastModified": "2024-01-25T21:36:57.147",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.5,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-09-20T08:29:00.210",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9"
},
{
"source": "secalert@redhat.com",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1492984"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
}
}
}
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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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