{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2018-10901","title":"Title"},{"category":"description","text":"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.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2018-10901","url":"https://www.suse.com/security/cve/CVE-2018-10901"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1104936 for CVE-2018-10901","url":"https://bugzilla.suse.com/1104936"}],"title":"SUSE CVE 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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.","title":"CVE description"}],"product_status":{"known_not_affected":["SUSE Linux Enterprise Desktop 12 SP3:kernel-default","SUSE Linux Enterprise Desktop 12 SP3:kernel-default-devel","SUSE Linux Enterprise Desktop 12 SP3:kernel-default-extra","SUSE Linux Enterprise Desktop 12 SP3:kernel-devel","SUSE Linux Enterprise Desktop 12 SP3:kernel-macros","SUSE Linux Enterprise Desktop 12 SP3:kernel-source","SUSE Linux Enterprise Desktop 15:kernel-default","SUSE Linux Enterprise Desktop 15:kernel-default-base","SUSE Linux Enterprise Desktop 15:kernel-default-devel","SUSE Linux Enterprise Desktop 15:kernel-default-man","SUSE Linux Enterprise Desktop 15:kernel-devel","SUSE Linux Enterprise Desktop 15:kernel-macros","SUSE Linux Enterprise Desktop 15:kernel-source","SUSE Linux Enterprise High Performance Computing 15:kernel-default","SUSE Linux Enterprise High Performance Computing 15:kernel-default-base","SUSE Linux Enterprise High Performance Computing 15:kernel-default-devel","SUSE Linux Enterprise High Performance Computing 15:kernel-default-man","SUSE Linux Enterprise High Performance Computing 15:kernel-devel","SUSE Linux Enterprise High Performance Computing 15:kernel-macros","SUSE Linux Enterprise High Performance Computing 15:kernel-source","SUSE Linux Enterprise Module for Basesystem 15:kernel-default","SUSE Linux Enterprise Module for Basesystem 15:kernel-default-base","SUSE Linux Enterprise Module for Basesystem 15:kernel-default-devel","SUSE Linux Enterprise Module for Basesystem 15:kernel-default-man","SUSE Linux Enterprise Module for Basesystem 15:kernel-devel","SUSE Linux Enterprise Module for Basesystem 15:kernel-macros","SUSE Linux Enterprise Module for Basesystem 15:kernel-source","SUSE Linux Enterprise Module for Development Tools 15:kernel-default","SUSE Linux Enterprise Module for Development Tools 15:kernel-source","SUSE Linux Enterprise Server 11 SP1 for Teradata:kernel-default","SUSE Linux Enterprise Server 11 SP1 for Teradata:kernel-source","SUSE Linux Enterprise Server 11 SP3 for Teradata:kernel-default","SUSE Linux Enterprise Server 11 SP3 for Teradata:kernel-source","SUSE Linux Enterprise Server 11 SP4-LTSS:kernel-default","SUSE Linux Enterprise Server 11 SP4-LTSS:kernel-default-base","SUSE Linux Enterprise Server 11 SP4-LTSS:kernel-default-devel","SUSE Linux Enterprise Server 11 SP4-LTSS:kernel-default-man","SUSE Linux Enterprise Server 11 SP4-LTSS:kernel-source","SUSE Linux Enterprise Server 12 SP3:kernel-default","SUSE Linux Enterprise Server 12 SP3:kernel-default-base","SUSE Linux Enterprise Server 12 SP3:kernel-default-devel","SUSE Linux Enterprise Server 12 SP3:kernel-default-man","SUSE Linux Enterprise Server 12 SP3:kernel-devel","SUSE Linux Enterprise Server 12 SP3:kernel-macros","SUSE Linux Enterprise Server 12 SP3:kernel-source","SUSE Linux Enterprise Server 15:kernel-default","SUSE Linux Enterprise Server 15:kernel-default-base","SUSE Linux Enterprise Server 15:kernel-default-devel","SUSE Linux Enterprise Server 15:kernel-default-man","SUSE Linux Enterprise Server 15:kernel-devel","SUSE Linux Enterprise Server 15:kernel-macros","SUSE Linux Enterprise Server 15:kernel-source","SUSE Linux Enterprise Server for SAP Applications 15:kernel-default","SUSE Linux Enterprise Server for SAP Applications 15:kernel-default-base","SUSE Linux Enterprise Server for SAP Applications 15:kernel-default-devel","SUSE Linux Enterprise Server for SAP Applications 15:kernel-default-man","SUSE Linux Enterprise Server for SAP Applications 15:kernel-devel","SUSE Linux Enterprise Server for SAP Applications 15:kernel-macros","SUSE Linux Enterprise Server for SAP Applications 15:kernel-source"]},"references":[{"category":"external","summary":"CVE-2018-10901","url":"https://www.suse.com/security/cve/CVE-2018-10901"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1104936 for CVE-2018-10901","url":"https://bugzilla.suse.com/1104936"}],"threats":[{"category":"impact","date":"2018-07-24T15:45:10Z","details":"important"}],"title":"CVE-2018-10901"}]}