CVE-2011-2500: Linux-Nfs Nfs-Utils

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

Affected products

• Linux-Nfs Nfs-Utils: up to and including 1.2.3; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only

Published 2014-02-15. Last modified 2026-06-16.