{"api_version":"1","generated_at":"2026-07-23T08:18:01+00:00","cve":"CVE-2018-10853","urls":{"html":"https://cve.report/CVE-2018-10853","api":"https://cve.report/api/cve/CVE-2018-10853.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-10853","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-10853"},"summary":{"title":"CVE-2018-10853","description":"A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2018-09-11 14:29:00","updated_at":"2019-10-03 00:03:00"},"problem_types":["CWE-269"],"metrics":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html","name":"openSUSE-SU-2019:1407","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:1407-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:2029","name":"RHSA-2019:2029","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html","name":"[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update","refsource":"MLIST","tags":["Mailing List","Third Party Advisory"],"title":"[SECURITY] [DLA 1422-1] linux security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:2043","name":"RHSA-2019:2043","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html","name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","refsource":"MLIST","tags":["Mailing List","Third Party Advisory"],"title":"[SECURITY] [DLA 1423-1] linux-4.9 new package","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html","name":"[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update","refsource":"MLIST","tags":["Mailing List","Third Party Advisory"],"title":"[SECURITY] [DLA 1422-2] linux security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853","refsource":"CONFIRM","tags":["Issue Tracking","Patch","Third Party Advisory"],"title":"1589890 – (CVE-2018-10853) CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://usn.ubuntu.com/3777-2/","name":"USN-3777-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3777-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3777-1/","name":"USN-3777-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3777-1: Linux kernel vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2020:0179","name":"RHSA-2020:0179","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74","name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.openwall.com/lists/oss-security/2018/09/02/1","name":"https://www.openwall.com/lists/oss-security/2018/09/02/1","refsource":"MISC","tags":["Mailing List","Patch","Third Party Advisory"],"title":"oss-security - CVE-2018-10853 kernel: kvm: guest userspace to guest kernel write","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2020:0036","name":"RHSA-2020:0036","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2020:0103","name":"RHSA-2020:0103","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-10853","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10853","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"10853","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2018-10853","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_value":"4.18"}]}}]},"vendor_name":"Linux"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest."}]},"impact":{"cvss":[[{"vectorString":"7/CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}]]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-250"}]}]},"references":{"reference_data":[{"name":"[debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"},{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853","refsource":"CONFIRM","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853"},{"name":"USN-3777-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3777-1/"},{"name":"[debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"},{"name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74","refsource":"CONFIRM","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74"},{"name":"[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html"},{"name":"USN-3777-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3777-2/"},{"name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6","refsource":"CONFIRM","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6"},{"name":"https://www.openwall.com/lists/oss-security/2018/09/02/1","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2018/09/02/1"},{"refsource":"SUSE","name":"openSUSE-SU-2019:1407","url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html"},{"refsource":"REDHAT","name":"RHSA-2019:2043","url":"https://access.redhat.com/errata/RHSA-2019:2043"},{"refsource":"REDHAT","name":"RHSA-2019:2029","url":"https://access.redhat.com/errata/RHSA-2019:2029"},{"refsource":"REDHAT","name":"RHSA-2020:0036","url":"https://access.redhat.com/errata/RHSA-2020:0036"},{"refsource":"REDHAT","name":"RHSA-2020:0103","url":"https://access.redhat.com/errata/RHSA-2020:0103"},{"refsource":"REDHAT","name":"RHSA-2020:0179","url":"https://access.redhat.com/errata/RHSA-2020:0179"}]}},"nvd":{"publishedDate":"2018-09-11 14:29:00","lastModifiedDate":"2019-10-03 00:03:00","problem_types":["CWE-269"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":4.6},"severity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.18","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"10853","Ordinal":"127305","Title":"CVE-2018-10853","CVE":"CVE-2018-10853","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"10853","Ordinal":"1","NoteData":"A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"10853","Ordinal":"2","NoteData":"2018-09-11","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"10853","Ordinal":"3","NoteData":"2020-01-21","Type":"Other","Title":"Modified"}]}}}