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CVE-2018-12126

Published: May 30, 2019Updated: May 29, 2026 Sources: CVE List NVD BDUCWE-200
NVD MITRE
5.6CVSSMEDIUM
EPSS Score
1.5%
Top 28.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200

Affected Products

microarchitectural store buffer data sampling firmwareintel
Embedded
Hardware Firmware / cpu-gpu
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
Central ProcCVE-2018-12126essing Units (CPUs)Intel CorporationHardware Firmware
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
intelcommercialUSHardware Firmwareaka intel corp.
fedoraprojectoss-projectUSOperating Systemsaka fedora project
intel corporationcommercialUSHardware Firmware
red hat inc.commercialUSOperating Systemsaka red hat
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
and 97 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
lists.opensuse.org
and 80 more references View all →

Timeline

Published
May 30, 2019
Last Updated
May 29, 2026

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