5.6

CVE-2018-12126: fedoraproject fedora

Modified
AliasesALPINE-CVE-2018-12126UBUNTU-CVE-2018-12126DEBIAN-CVE-2018-12126
Published 30-05-2019Last modified 29-05-2026

Vulnerability summary

CVE-2018-12126 is a medium (CVSS 5.6) vulnerability in fedoraproject fedora. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 123 · Related 69
DLA-1787-1DLA-1789-1DLA-1789-2DLA-1799-1DSA-4444-1DSA-4447-1

Showing 100 of 123.

Timeline

  1. 30-05-2019
    PublishedVulnerability first disclosed.
  2. 29-05-2026
    Last modifiedVulnerability information updated.

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 metrics

8 scores · 5 sources · 3 versions

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.51% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu20 products
  • intel-microcode< 3.20190514.0ubuntu0.14.04.1 | < 3.20190514.0ubuntu0.16.04.1 | < 3.20190514.0ubuntu0.18.04.2
  • libvirt< 1.2.2-0ubuntu13.1.28 | < 1.3.1-1ubuntu10.26 | < 4.0.0-1ubuntu8.10
  • linux< 3.13.0-170.220 | < 4.4.0-148.174 | < 4.15.0-50.54
  • linux-aws< 4.4.0-1044.47 | < 4.4.0-1083.93 | < 4.15.0-1039.41
  • linux-aws-hwe< 4.15.0-1039.41~16.04.1
Debian3 products
  • intel-microcode< 3.20190514.1
  • linux< 4.19.37-2
  • xen< 4.11.1+92-g6c33308a8d-1
Alpine2 products
  • intel-ucode< 20191112-r0
  • xen< 4.12.0-r2 | < 4.9.4-r1 | < 4.10.3-r1 | < 4.11.1-r2
Fedoraproject1 product
Intel1 product
Intel corporation1 product

6 vendors · 28 products

References

45 links
Show all 45 references