{"containers": {"cna": {"affected": [{"product": "kernel:", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2010-08-02T00:00:00", "descriptions": [{"lang": "en", "value": "A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges."}], "metrics": [{"cvssV3_0": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-665", "description": "CWE-665", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-07-15T02:22:56", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "104905", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/104905"}, {"name": "RHSA-2018:2393", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2393"}, {"name": "RHSA-2018:2390", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2390"}, {"name": "RHSA-2018:2391", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2391"}, {"name": "RHSA-2018:2392", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2392"}, {"name": "RHSA-2018:2394", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2018:2394"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-10901", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "kernel:", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "[UNKNOWN]"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges."}]}, "impact": {"cvss": [[{"vectorString": "7.8/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-665"}]}]}, "references": {"reference_data": [{"name": "104905", "refsource": "BID", "url": "http://www.securityfocus.com/bid/104905"}, {"name": "RHSA-2018:2393", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2393"}, {"name": "RHSA-2018:2390", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2390"}, {"name": "RHSA-2018:2391", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2391"}, {"name": "RHSA-2018:2392", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2392"}, {"name": "RHSA-2018:2394", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:2394"}, {"name": "https://www.oracle.com/security-alerts/cpujul2020.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"name": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html", "refsource": "MISC", "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}, {"name": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0", "refsource": "CONFIRM", "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36", "refsource": "CONFIRM", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T07:54:35.810Z"}, "title": "CVE Program Container", "references": [{"name": "104905", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/104905"}, {"name": "RHSA-2018:2393", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2393"}, {"name": "RHSA-2018:2390", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2390"}, {"name": "RHSA-2018:2391", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2391"}, {"name": "RHSA-2018:2392", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2392"}, {"name": "RHSA-2018:2394", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2018:2394"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2018-10901", "datePublished": "2018-07-26T17:00:00", "dateReserved": "2018-05-09T00:00:00", "dateUpdated": "2024-08-05T07:54:35.810Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8DCE5E2-B055-4F05-8F0F-F19D1B7BA8D7", "versionEndExcluding": "2.6.36", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "EE249E1B-A1FD-4E08-AA71-A0E1F10FFE97", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "9BBCD86A-E6C7-4444-9D74-F861084090F0", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*", "matchCriteriaId": "AF83BB87-B203-48F9-9D06-48A5FE399050", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*", "matchCriteriaId": "1F3BEFDB-5156-4E1C-80BB-8BE9FEAA7623", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*", "matchCriteriaId": "16E6D998-B41D-4B49-9E00-8336D2E40A4A", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "E5ED5807-55B7-47C5-97A6-03233F4FBC3A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en el subsistema de virtualizaci\u00f3n KVM del kernel de Linux. El c\u00f3digo VMX no restaura el l\u00edmite GDT.LIMIT al valor del host anterior, sino que lo fija en 64 KB. Con un l\u00edmite de GDT corrupto, el c\u00f3digo de espacio de usuario de un host tiene la capacidad de colocar entradas maliciosas en el GDT, especialmente en las variables por CPU. Un atacante puede usar esto para aumentar sus privilegios."}], "id": "CVE-2018-10901", "lastModified": "2024-11-21T03:42:15.617", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"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, "source": "secalert@redhat.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-26T17:29:00.893", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104905"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2390"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2391"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2392"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2393"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2394"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2390"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2391"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2392"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2393"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2018:2394"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Vegard Nossum (Oracle Corporation) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:2390", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-754.3.5.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-08-14T00:00:00Z"}, {"advisory": "RHSA-2018:2394", "cpe": "cpe:/o:redhat:rhel_aus:6.4", "package": "kernel-0:2.6.32-358.91.4.el6", "product_name": "Red Hat Enterprise Linux 6.4 Advanced Update Support", "release_date": "2018-08-14T00:00:00Z"}, {"advisory": "RHSA-2018:2393", "cpe": "cpe:/o:redhat:rhel_aus:6.5", "package": "kernel-0:2.6.32-431.91.3.el6", "product_name": "Red Hat Enterprise Linux 6.5 Advanced Update Support", "release_date": "2018-08-14T00:00:00Z"}, {"advisory": "RHSA-2018:2392", "cpe": "cpe:/o:redhat:rhel_aus:6.6", "package": "kernel-0:2.6.32-504.72.4.el6", "product_name": "Red Hat Enterprise Linux 6.6 Advanced Update Support", "release_date": "2018-08-14T00:00:00Z"}, {"advisory": "RHSA-2018:2392", "cpe": "cpe:/o:redhat:rhel_tus:6.6", "package": "kernel-0:2.6.32-504.72.4.el6", "product_name": "Red Hat Enterprise Linux 6.6 Telco Extended Update Support", "release_date": "2018-08-14T00:00:00Z"}, {"advisory": "RHSA-2018:2391", "cpe": "cpe:/o:redhat:rhel_eus:6.7", "package": "kernel-0:2.6.32-573.60.4.el6", "product_name": "Red Hat Enterprise Linux 6.7 Extended Update Support", "release_date": "2018-08-14T00:00:00Z"}], "bugzilla": {"description": "kernel: kvm: vmx: host GDT limit corruption", "id": "1601849", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1601849"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-665", "details": ["A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.", "A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges."], "name": "CVE-2018-10901", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2010-08-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-10901\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-10901"], "threat_severity": "Important", "upstream_fix": "linux-kernel 2.6.36-rc1"}