CVE-2018-6559
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.5%
exploitation probability
0.5%top 58% of all CVEs
observed exploitation
nono source reports it
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.
References
https://launchpad.net/bugs/1793458https://lists.ubuntu.com/archives/kernel-team/2018-October/096172.htmlhttps://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6559.htmlhttps://usn.ubuntu.com/3832-1/https://usn.ubuntu.com/3833-1/https://usn.ubuntu.com/3835-1/https://usn.ubuntu.com/3836-1/https://usn.ubuntu.com/3836-2/http://www.securityfocus.com/bid/105752