Description
rpc.mountd in nfs-utils after 1.0.3 and before 1.0.6 allows attackers to cause a denial of service (crash) via an NFS mount of a directory from a client whose reverse DNS lookup name is different from the forward lookup name.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nfs-utils | 1:1.0.5-3 | — |
| Debian 13 | nfs-utils | 1:1.0.5-3 | — |
| Debian 12 | nfs-utils | 1:1.0.5-3 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | nfs-utils | 1.0.6-7.EL | RHSA-2004:072 |
Advisories 1
- RHSA-2004:072 Red Hat Security Advisory: nfs-utils security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 2004-0009 vendor-advisory
- oval:org.mitre.oval:def:9673 vdb-entry signature
- oval:org.mitre.oval:def:861 vdb-entry signature
- nfs-utils-dns-dos(15418) vdb-entry
- 9813 vdb-entry
- http://bugzilla.redhat.com/bugzilla/long_list.cgi?buglist=114535
- RHSA-2004:072 vendor-advisory