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CVE-2018-10853 Detail

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.


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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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://access.redhat.com/errata/RHSA-2020:0036
https://access.redhat.com/errata/RHSA-2020:0103
https://access.redhat.com/errata/RHSA-2020:0179
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853 Issue Tracking  Patch  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74 Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6 Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html Mailing List  Third Party Advisory 
https://usn.ubuntu.com/3777-1/ Third Party Advisory 
https://usn.ubuntu.com/3777-2/ Third Party Advisory 
https://www.openwall.com/lists/oss-security/2018/09/02/1 Mailing List  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-269 Improper Privilege Management cwe source acceptance level NIST  
CWE-250 Execution with Unnecessary Privileges 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-2018-10853
NVD Published Date:
09/11/2018
NVD Last Modified:
10/02/2019
Source:
Red Hat, Inc.