CVE-2018-10853

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Un usuario invitado o un proceso sin privilegios podr\u00edan emplear este error para escalar sus privilegios en el invitado."}], "id": "CVE-2018-10853", "lastModified": "2026-06-17T01:34:45.953", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", 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{"acknowledgement": "Red Hat would like to thank Andy Lutomirski and Mika Penttil\u00e4 for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:2043", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1062.rt56.1022.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-07T00:00:00Z"}, {"advisory": "RHSA-2019:2029", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1062.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-08-06T00:00:00Z"}, {"advisory": "RHSA-2020:0103", "cpe": "cpe:/o:redhat:rhel_aus:7.4", "package": "kernel-0:3.10.0-693.62.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Advanced Update Support", "release_date": "2020-01-14T00:00:00Z"}, {"advisory": "RHSA-2020:0103", "cpe": "cpe:/o:redhat:rhel_tus:7.4", "package": "kernel-0:3.10.0-693.62.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Telco Extended Update Support", "release_date": "2020-01-14T00:00:00Z"}, {"advisory": "RHSA-2020:0103", "cpe": "cpe:/o:redhat:rhel_e4s:7.4", "package": "kernel-0:3.10.0-693.62.1.el7", "product_name": "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions", "release_date": "2020-01-14T00:00:00Z"}, {"advisory": "RHSA-2020:0036", "cpe": "cpe:/o:redhat:rhel_eus:7.5", "package": "kernel-0:3.10.0-862.46.1.el7", "product_name": "Red Hat Enterprise Linux 7.5 Extended Update Support", "release_date": "2020-01-07T00:00:00Z"}, {"advisory": "RHSA-2020:0179", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "kernel-0:3.10.0-957.43.1.el7", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-01-21T00:00:00Z"}, {"advisory": "RHSA-2020:0179", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "kernel-0:3.10.0-957.43.1.el7", "product_name": "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2020-01-21T00:00:00Z"}], "bugzilla": {"description": "kernel: kvm: guest userspace to guest kernel write", "id": "1589890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1589890"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-250", "details": ["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.", "A flaw was found in the way Linux kernel KVM hypervisor 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."], "name": "CVE-2018-10853", "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:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"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: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": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2018-06-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-10853\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-10853"], "threat_severity": "Moderate"}

{}