// For flags

CVE-2019-11091

hardware: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

Severity Score

5.6
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

En Microarchitectural Data Sampling Uncacheable Memory (MDSUM): La memoria no almacenable en algunos microprocesadores que utilizan ejecución especulativa puede permitir a un usuario autenticado activar potencialmente la divulgación de información por medio de un canal lateral con acceso local. Puede encontrar una lista de los productos impactados aquí: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

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.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-04-11 CVE Reserved
  • 2019-05-15 CVE Published
  • 2024-05-23 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-385: Covert Timing Channel
CAPEC
References (25)
URL Tag Source
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt X_refsource_confirm
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en X_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf X_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf X_refsource_confirm
https://kc.mcafee.com/corporate/index?page=content&id=SB10292 X_refsource_confirm
https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html Mailing List
https://seclists.org/bugtraq/2019/Jun/28 Mailing List
https://seclists.org/bugtraq/2019/Jun/36 Mailing List
https://seclists.org/bugtraq/2019/Nov/15 Mailing List
https://seclists.org/bugtraq/2020/Jan/21 Mailing List
https://www.synology.com/security/advisory/Synology_SA_19_24 X_refsource_confirm
URL Date SRC
URL Date SRC
URL Date SRC
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html 2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html 2023-11-07
https://access.redhat.com/errata/RHSA-2019:1455 2023-11-07
https://access.redhat.com/errata/RHSA-2019:2553 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4 2023-11-07
https://security.gentoo.org/glsa/202003-56 2023-11-07
https://usn.ubuntu.com/3977-3 2023-11-07
https://www.debian.org/security/2020/dsa-4602 2023-11-07
https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc 2023-11-07
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html 2023-11-07
https://access.redhat.com/security/cve/CVE-2019-11091 2019-08-22
https://bugzilla.redhat.com/show_bug.cgi?id=1705312 2019-08-22
https://access.redhat.com/security/vulnerabilities/mds 2019-08-22
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Intel
Search vendor "Intel"
 Microarchitectural Data Sampling Uncacheable Memory Firmware
Search vendor "Intel" for product "Microarchitectural Data Sampling Uncacheable Memory Firmware"
--
Affected
in Intel
Search vendor "Intel"
 Microarchitectural Data Sampling Uncacheable Memory
Search vendor "Intel" for product "Microarchitectural Data Sampling Uncacheable Memory"
--
Safe
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 29
Search vendor "Fedoraproject" for product "Fedora" and version "29"
-
Affected