Vulnerability 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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105752Third Party AdvisoryVDB Entry
- https://launchpad.net/bugs/1793458ExploitIssue TrackingThird Party Advisory
- https://lists.ubuntu.com/archives/kernel-team/2018-October/096172.htmlThird Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6559.htmlThird Party Advisory
- https://usn.ubuntu.com/3832-1/Third Party Advisory
- https://usn.ubuntu.com/3833-1/Third Party Advisory
- https://usn.ubuntu.com/3835-1/Third Party Advisory
- https://usn.ubuntu.com/3836-1/Third Party Advisory
- https://usn.ubuntu.com/3836-2/Third Party Advisory
- http://www.securityfocus.com/bid/105752Third Party AdvisoryVDB Entry
- https://launchpad.net/bugs/1793458ExploitIssue TrackingThird Party Advisory
- https://lists.ubuntu.com/archives/kernel-team/2018-October/096172.htmlThird Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6559.htmlThird Party Advisory
- https://usn.ubuntu.com/3832-1/Third Party Advisory
- https://usn.ubuntu.com/3833-1/Third Party Advisory
FAQ
What is CVE-2018-6559?
CVE-2018-6559 is a vulnerability with a CVSS score of 3.3 (LOW). 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 n...
How severe is CVE-2018-6559?
CVE-2018-6559 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-6559?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.