Information disclosure in Canonical Ltd. Linux Kernel, As Used In Ubuntu 18.04 Lts And 18.10
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 normally be able to access via an overlayfs mount inside of a user namespace.
Vulnerability class: Information Disclosure
EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Canonical Ltd. Linux Kernel, As Used In Ubuntu 18.04 Lts And 18.10 — versions 4.15.0-38.41, 4.18.0-10.11
- Linux Linux_kernel
- Canonical Ubuntu_linux — versions 16.04, 18.04, 18.10
Weakness classification (CWE)
References
- security@ubuntu.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_CONFIRM, Third Party Advisory)
- security@ubuntu.com (x_refsource_CONFIRM, Third Party Advisory)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6559?
- CVE-2018-6559 is a low-severity vulnerability in Canonical Ltd. Linux Kernel, As Used In Ubuntu 18.04 Lts And 18.10, classified under Information Disclosure. CVSS score: 3.3/10. Published 2018-10-26.
- How severe is CVE-2018-6559?
- Low severity. CVSS v3 base score is 3.3 out of 10.