CVE-2019-11091
Advisory lineage Upstream: 0 Downstream: 122
Modified
Published: 30 May 2019, 15:28
Last modified:28 May 2026, 18:17
Vulnerability Summary
Overall Risk (default)
low
23/100 CVSS Score
5.6 MEDIUM
v3.1 (nvd)
EPSS Score
1.7% LOW
2% probability -0.08%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
30 May 2019, 15:28
Published
Vulnerability first disclosed
28 May 2026, 18:17
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:C/I:N/A:N
EPSS Trends
Current EPSS score: 1.70%• Percentile: 83%
Affected Systems
- fedoraproject•fedora
29
- intel corporation•central processing units (cpus)
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
- intel•microarchitectural_data_sampling_uncacheable_memory_firmware
na
References (22)
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
- https://www.synology.com/security/advisory/Synology_SA_19_24
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
- https://access.redhat.com/errata/RHSA-2019:1455
- https://usn.ubuntu.com/3977-3/
- https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
- https://seclists.org/bugtraq/2019/Jun/28
- https://seclists.org/bugtraq/2019/Jun/36
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
- https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
- https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc
- https://access.redhat.com/errata/RHSA-2019:2553
- https://kc.mcafee.com/corporate/index?page=content&id=SB10292
- https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- https://seclists.org/bugtraq/2019/Nov/15
- https://www.debian.org/security/2020/dsa-4602
- https://seclists.org/bugtraq/2020/Jan/21
- https://security.gentoo.org/glsa/202003-56