3.3

CVE-2018-6559: canonical ltd. linux kernel, as used in ubuntu 18.04 lts and ubuntu 18.10

CVSS: 3.3v3.0LowModified
AliasesUBUNTU-CVE-2018-6559CGA-227v-hwq5-f5v9CGA-25v5-xjqw-6cm8
Published 26-10-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-6559 is a low (CVSS 3.3) vulnerability in canonical ltd. linux kernel, as used in ubuntu 18.04 lts and ubuntu 18.10. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.0 (NVD)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 4
USN-3833-1USN-3836-1USN-3836-2CGA-HJW8-8PX2-39R4

Timeline

  1. 26-10-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (launchpad.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Chainguard78 products
  • hyperv-daemons-6.18All versions (No fix recorded)
  • hyperv-daemons-genericAll versions (No fix recorded)
  • linux-aws-6.12< 6.12.65-r0 | All versions (No fix recorded)
  • linux-aws-6.12-boot-installedAll versions (No fix recorded)
  • linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Ubuntu8 products
  • linux< 4.15.0-42.45
  • linux-aws< 4.15.0-1029.30
  • linux-azure< 4.15.0-1035.36~14.04.2 | < 4.15.0-1035.36~16.04.1 | < 4.15.0-1035.36
  • linux-gcp< 4.15.0-1025.26~16.04.1 | < 4.15.0-1025.26
  • linux-hwe< 4.15.0-42.45~16.04.1
Canonical1 product
Canonical ltd.1 product
Linux1 product

5 vendors · 89 products

References

16 links
Show all 16 references