Privilege Escalation Vulnerability in KVM Virtualization Subsystem by Linux
CVE-2018-10901

7.8HIGH

Key Information:

Vendor

[unknown]

Status
Kernel:
Vendor
CVE Published:
26 July 2018

What is CVE-2018-10901?

A vulnerability exists in the KVM virtualization subsystem of the Linux kernel where improper GDT.LIMIT restoration allows an attacker to manipulate the Global Descriptor Table. This lack of a proper GDT limit restoration can lead to arbitrary modifications within per-CPU data structures. By exploiting this flaw, a malicious actor could gain elevated privileges within the affected environment.

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Affected Version(s)

kernel:

References

http://www.securityfocus.com/bid/104905
vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:2393
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:2390
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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