CVE-2019-11091

Aliases:UBUNTU-CVE-2019-11091DEBIAN-CVE-2019-11091ALPINE-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
0.61% LOW
1% probability -1.17%
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: 0.61%• Percentile: 48%

Affected Systems

  • alpine•xen

    < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.12.0-r2 | < 4.9.4-r1 | < 4.10.3-r1 | < 4.11.1-r2

  • debian•intel-microcode

    < 3.20190514.1 | < 3.20190514.1 | < 3.20190514.1 | < 3.20190514.1

  • debian•linux

    < 4.19.37-2 | < 4.19.37-2 | < 4.19.37-2 | < 4.19.37-2

  • debian•xen

    < 4.11.1+92-g6c33308a8d-1 | < 4.11.1+92-g6c33308a8d-1 | < 4.11.1+92-g6c33308a8d-1 | < 4.11.1+92-g6c33308a8d-1

  • ubuntu•intel-microcode

    < 3.20190514.0ubuntu0.14.04.1 | < 3.20190514.0ubuntu0.16.04.1 | < 3.20190514.0ubuntu0.18.04.2

  • ubuntu•libvirt

    < 1.2.2-0ubuntu13.1.28 | < 1.3.1-1ubuntu10.26 | < 4.0.0-1ubuntu8.10

  • ubuntu•linux

    < 3.13.0-170.220 | < 4.4.0-148.174 | < 4.15.0-50.54

  • ubuntu•linux-aws

    < 4.4.0-1044.47 | < 4.4.0-1083.93 | < 4.15.0-1039.41

  • ubuntu•linux-aws-hwe

    < 4.15.0-1039.41~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1045.49~14.04.1 | < 4.15.0-1045.49 | < 4.18.0-1018.18~18.04.1

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-fips

    < 4.4.0-1010.13

  • ubuntu•linux-gcp

    < 4.15.0-1032.34~16.04.1 | < 4.15.0-1032.34

  • ubuntu•linux-gcp-6.11

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1032.34

  • ubuntu•linux-hwe

    < 4.15.0-50.54~16.04.1 | < 4.18.0-20.21~18.04.1

  • ubuntu•linux-hwe-6.11

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1046.52 | < 4.15.0-1034.34

  • ubuntu•linux-lowlatency-hwe-6.11

    all

  • ubuntu•linux-lts-xenial

    < 4.4.0-148.174~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1038.43

  • ubuntu•linux-oracle

    < 4.15.0-1013.15~16.04.1 | < 4.15.0-1013.15

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1109.117 | < 4.15.0-1036.38

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-snapdragon

    < 4.4.0-1113.118 | < 4.15.0-1053.57

  • ubuntu•qemu

    < 2.0.0+dfsg-2ubuntu1.46 | < 1:2.5+dfsg-5ubuntu10.38 | < 1:2.11+dfsg-1ubuntu7.13

  • 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 (42)