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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-10901 Detail

Description

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.securityfocus.com/bid/104905 CVE, Inc., Red Hat Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2018:2390 CVE, Inc., Red Hat Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2391 CVE, Inc., Red Hat Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2392 CVE, Inc., Red Hat Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2393 CVE, Inc., Red Hat Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2394 CVE, Inc., Red Hat Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10901 CVE, Inc., Red Hat Issue Tracking  Patch  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3444d7da1839b851eefedd372978d8a982316c36 CVE, Inc., Red Hat Patch  Vendor Advisory 
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 CVE, Inc., Red Hat Third Party Advisory 
https://www.oracle.com/security-alerts/cpujul2020.html CVE, Inc., Red Hat Third Party Advisory 
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html CVE, Inc., Red Hat Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  
CWE-665 Improper Initialization Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-10901
NVD Published Date:
07/26/2018
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.