CVE-2018-1000028: Linux Kernel

High severity, CVSS 7.4. EPSS: 1.4% chance of exploitation in the next 30 days.

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

Affected products

• Linux Linux Kernel: from 4.4.111, up to and including 4.4.119; from 4.9.76, up to and including 4.9.85; from 4.14.8, up to and including 4.14.23; from 4.15.1, up to and including 4.15.7; version 4.15 only

Published 2018-02-09. Last modified 2026-06-17.