QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2018-10853

Back to search

CVE-2018-10853

Published: Sep 11, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

7.0

HIGH

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.

VendorProductVersions

Linux

kernel

affected
4.18

Weaknesses (CWE)

CWE-250

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

USN-3777-1
vendor-advisory
x_refsource_UBUNTU
USN-3777-2
vendor-advisory
x_refsource_UBUNTU
openSUSE-SU-2019:1407
vendor-advisory
x_refsource_SUSE
RHSA-2019:2043
vendor-advisory
x_refsource_REDHAT
RHSA-2019:2029
vendor-advisory
x_refsource_REDHAT
RHSA-2020:0036
vendor-advisory
x_refsource_REDHAT
RHSA-2020:0103
vendor-advisory
x_refsource_REDHAT
RHSA-2020:0179
vendor-advisory
x_refsource_REDHAT

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now