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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Canonical Ltd. Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10
4.15.0-38.41affected4.18.0-10.11affected
References
- http://www.securityfocus.com/bid/105752 ↗
- https://usn.ubuntu.com/3836-2/ ↗
- https://usn.ubuntu.com/3835-1/ ↗
- https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6559.html ↗
- https://lists.ubuntu.com/archives/kernel-team/2018-October/096172.html ↗
- https://usn.ubuntu.com/3833-1/ ↗
- https://usn.ubuntu.com/3832-1/ ↗
- https://launchpad.net/bugs/1793458 ↗
- https://usn.ubuntu.com/3836-1/ ↗