3.3low

CVE-2018-6559

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 normall…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
3.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 45%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.53% probability of exploitation in the next 30 days, higher than 45% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.03.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Canonical Ltd. Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
Linux kernel (RSS, critical only)

References

  • securityfocus.com /bid/105752 · vdb-entry, x_refsource_BID, x_transferred
  • usn.ubuntu.com /3836-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3835-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • people.canonical.com /~ubuntu-security/cve/2018/CVE-2018-6559.html · x_refsource_CONFIRM, x_transferred
  • lists.ubuntu.com /archives/kernel-team/2018-October/096172.html · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3833-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3832-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • launchpad.net /bugs/1793458 · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3836-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.