Is CVE-2018-6559 in the CISA KEV catalog?

No. CVE-2018-6559 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6559?

CVE-2018-6559 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2018-6559?

CVE-2018-6559 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6559?

Upgrade linux on ubuntu 18.04 to 4.15.0-42.45 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2018-6559

LOW

3.3

CVSS v3

NVD

Description

The Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10, allows local users to obtain names of files in which they would not normally be able to access via an overlayfs mount inside of a user namespace.

CWE-200Information Exposure

How to fix

Remediation Available

linuxUbuntu

Fixed in:4.15.0-42.45USN-3836-1

linux-awsUbuntu

Fixed in:4.15.0-1029.30USN-3833-1

linux-gcpUbuntu

Fixed in:4.15.0-1025.26~16.04.1USN-3836-2

Fixed in:4.15.0-1025.26USN-3836-1

linux-hweUbuntu

Fixed in:4.15.0-42.45~16.04.1USN-3836-2

linux-image-4.15.0-1027-kvmUbuntu

Fixed in:4.15.0-1027.27USN-3836-1

linux-image-4.15.0-1029-awsUbuntu

Fixed in:4.15.0-1029.30USN-3833-1

linux-image-4.15.0-1029-raspi2Ubuntu

Fixed in:4.15.0-1029.31USN-3836-1

linux-image-4.15.0-42-genericUbuntu

Fixed in:4.15.0-42.45~16.04.1USN-3836-2

Fixed in:4.15.0-42.45USN-3836-1

linux-image-4.15.0-42-generic-lpaeUbuntu

Fixed in:4.15.0-42.45~16.04.1USN-3836-2

Fixed in:4.15.0-42.45USN-3836-1

linux-image-4.15.0-42-lowlatencyUbuntu

Fixed in:4.15.0-42.45~16.04.1USN-3836-2

Fixed in:4.15.0-42.45USN-3836-1

linux-image-4.15.0-42-snapdragonUbuntu

Fixed in:4.15.0-42.45USN-3836-1

linux-kvmUbuntu

Fixed in:4.15.0-1027.27USN-3836-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1029.31USN-3836-1

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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Exploit1

launchpad.net

Third-Party Advisory8

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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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 2024-11-21.