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CVE-2019-11091

Published: May 30, 2019Updated: May 28, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
5.6CVSSMEDIUM
EPSS Score
0.6%
Top 55.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory 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
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Weaknesses

NVD-CWE-noinfo

Affected Products

Central Processing Units (CPUs)Intel CorporationHardware Firmware
microarchitectural data sampling uncacheable memory firmwareintel
Embedded
Hardware Firmware / cpu-gpu
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
intel corporationcommercialUSHardware Firmware
intelcommercialUSHardware Firmwareaka intel corp.
fedoraprojectoss-projectUSOperating Systemsaka fedora project
red hat inc.commercialUSOperating Systemsaka red hat
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
and 94 more affected products View all →

Exploitability

Official Patch Available

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
intel.com
https://www.synology.com/security/advisory/Synology_SA_19_24
synology.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
lists.fedoraproject.org
and 77 more references View all →

Timeline

Published
May 30, 2019
Last Updated
May 28, 2026

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