CVE-2018-1000028

Severity: high (CVSS 7.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-09 · updated 2026-06-17
Weakness: CWE-269

Description

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 kernel: from 4.4.111 through 4.4.119; from 4.9.76 through 4.9.85; from 4.14.8 through 4.14.23; from 4.15.1 through 4.15.7; 4.15-rc4

References

https://git.kernel.org/linus/1995266727fa8143897e89b55f5d3c79aa828420
https://git.kernel.org/linus/1995266727fa8143897e89b55f5d3c79aa828420

Get alerted when CVE-2018-1000028 or the next vulnerability affects your stack