CVE & CISA-KEV Catalog

CVE-2018-3620

MEDIUMEPSS 92th pctl
5.6
CVSS v3
NVD

Description

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.

CWE-203

How to fix

Remediation Available
intel-microcodeDebian
Fixed in:3.20180703.1CVE-2018-3620
Fixed in:3.20180703.1CVE-2018-3620
Fixed in:3.20180703.1CVE-2018-3620
Fixed in:3.20180703.1CVE-2018-3620
linuxUbuntu
Fixed in:3.13.0-155.205USN-3742-1
Fixed in:4.4.0-133.159USN-3741-1
Fixed in:4.15.0-32.35USN-3740-1
linux-awsUbuntu
Fixed in:4.4.0-1027.30USN-3741-2
Fixed in:4.4.0-1065.75USN-3741-1
Fixed in:4.15.0-1019.19USN-3740-1
linux-azureUbuntu
Fixed in:4.15.0-1021.21~16.04.1USN-3740-2
Fixed in:4.15.0-1021.21USN-3740-1
linux-gcpUbuntu
Fixed in:4.15.0-1017.18~16.04.1USN-3740-2
Fixed in:4.15.0-1017.18USN-3740-1
linux-hweUbuntu
Fixed in:4.15.0-32.35~16.04.1USN-3740-2
linux-image-3.13.0-155-genericUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-generic-lpaeUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-lowlatencyUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-powerpc-e500Ubuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-powerpc-e500mcUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-powerpc-smpUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-powerpc64-embUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-3.13.0-155-powerpc64-smpUbuntu
Fixed in:3.13.0-155.205USN-3742-1
linux-image-4.15.0-1017-gcpUbuntu
Fixed in:4.15.0-1017.18~16.04.1USN-3740-2
Fixed in:4.15.0-1017.18USN-3740-1
linux-image-4.15.0-1019-awsUbuntu
Fixed in:4.15.0-1019.19USN-3740-1
linux-image-4.15.0-1019-kvmUbuntu
Fixed in:4.15.0-1019.19USN-3740-1
linux-image-4.15.0-1020-raspi2Ubuntu
Fixed in:4.15.0-1020.22USN-3740-1
linux-image-4.15.0-32-genericUbuntu
Fixed in:4.15.0-32.35~16.04.1USN-3740-2
Fixed in:4.15.0-32.35USN-3740-1
linux-image-4.15.0-32-generic-lpaeUbuntu
Fixed in:4.15.0-32.35~16.04.1USN-3740-2
Fixed in:4.15.0-32.35USN-3740-1
linux-image-4.15.0-32-lowlatencyUbuntu
Fixed in:4.15.0-32.35~16.04.1USN-3740-2
Fixed in:4.15.0-32.35USN-3740-1
linux-image-4.15.0-32-snapdragonUbuntu
Fixed in:4.15.0-32.35USN-3740-1
linux-image-4.4.0-1027-awsUbuntu
Fixed in:4.4.0-1027.30USN-3741-2
linux-image-4.4.0-1031-kvmUbuntu
Fixed in:4.4.0-1031.37USN-3741-1
linux-image-4.4.0-1065-awsUbuntu
Fixed in:4.4.0-1065.75USN-3741-1
linux-image-4.4.0-1094-raspi2Ubuntu
Fixed in:4.4.0-1094.102USN-3741-1
linux-image-4.4.0-1098-snapdragonUbuntu
Fixed in:4.4.0-1098.103USN-3741-1
linux-image-4.4.0-133-genericUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-generic-lpaeUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-lowlatencyUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-powerpc-e500mcUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-powerpc-smpUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-powerpc64-embUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-image-4.4.0-133-powerpc64-smpUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
Fixed in:4.4.0-133.159USN-3741-1
linux-kvmUbuntu
Fixed in:4.4.0-1031.37USN-3741-1
Fixed in:4.15.0-1019.19USN-3740-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-133.159~14.04.1USN-3741-2
linux-oemUbuntu
Fixed in:4.15.0-1015.18USN-3740-1
linux-raspi2Ubuntu
Fixed in:4.4.0-1094.102USN-3741-1
Fixed in:4.15.0-1020.22USN-3740-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1098.103USN-3741-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploit Intelligence

5.58%probability of exploitation in 30 days
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-29.