CVE-2018-20855

lowpriority · track · 13EPSS 0.005 · 40 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (40th) EPSS

CVSS 2.1 · low

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

cvss

Technical severity, 0–10. One row per scoring source.

3.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 1.4

v3.13.1lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
linux linux kernel< 4.18.7nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
netapp active iq performance analytics servicesall versionsnvdUScpe:2.3:a:netapp:active_iq_performance_analytics_services:*:*:*:*:*:*:*:*
netapp active iq unified manager≥ 9.5nvdUScpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:*:*:*
netapp data availability servicesall versionsnvdUScpe:2.3:a:netapp:data_availability_services:*:*:*:*:*:*:*:*
netapp element softwareall versionsnvdUScpe:2.3:a:netapp:element_software:*:*:*:*:*:*:*:*
opensuse leap= 15.0nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*
opensuse leap= 15.1nvdUScpe:2.3:o:opensuse:leap:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-07-26modified 2026-06-17

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+21039 more

references (34)

External citations — patches, advisories, analysis.

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