gsd-2015-7837
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2015-7837",
"description": "The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.",
"id": "GSD-2015-7837",
"references": [
"https://www.suse.com/security/cve/CVE-2015-7837.html",
"https://access.redhat.com/errata/RHSA-2015:2411",
"https://access.redhat.com/errata/RHSA-2015:2152",
"https://ubuntu.com/security/CVE-2015-7837",
"https://linux.oracle.com/cve/CVE-2015-7837.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2015-7837"
],
"details": "The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.",
"id": "GSD-2015-7837",
"modified": "2023-12-13T01:20:01.088410Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ID": "CVE-2015-7837",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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"lang": "eng",
"value": "The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot."
}
]
},
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"value": "n/a"
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"name": "https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798",
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},
{
"name": "RHSA-2015:2152",
"refsource": "REDHAT",
"url": "http://rhn.redhat.com/errata/RHSA-2015-2152.html"
},
{
"name": "77097",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/77097"
},
{
"name": "[oss-security] 20151015 Re: CVE Request - Linux kernel - securelevel/secureboot bypass.",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2015/10/15/6"
},
{
"name": "RHSA-2015:2411",
"refsource": "REDHAT",
"url": "http://rhn.redhat.com/errata/RHSA-2015-2411.html"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:redhat:kernel-rt:7.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
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{
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{
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{
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},
{
"cpe23Uri": "cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*",
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"operator": "OR"
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},
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"description": {
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}
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},
"problemtype": {
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},
"references": {
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},
{
"name": "[oss-security] 20151015 Re: CVE Request - Linux kernel - securelevel/secureboot bypass.",
"refsource": "MLIST",
"tags": [
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],
"url": "http://www.openwall.com/lists/oss-security/2015/10/15/6"
},
{
"name": "RHSA-2015:2411",
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],
"url": "http://rhn.redhat.com/errata/RHSA-2015-2411.html"
},
{
"name": "RHSA-2015:2152",
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},
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]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.0"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-07-15T19:16Z",
"publishedDate": "2017-09-19T16:29Z"
}
}
}
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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.
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- 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.