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Affected Component
Analysis
nfs-utils
Patched
Name
CVE-2025-12801
Description
A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the
privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/errata/RHSA-2026:3938Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3939Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3940Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3941Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3942Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-12801Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2413081Issue Tracking
Analysis#
Vulnerability Ratings#
6.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
nfs-utils (yocto:scarthgap)
#
Title
Author
Resolve
1
Fix access checks when mounting subdirectories in NFSv3
Trond Myklebust <trond.myklebust@hammerspace.com>
CVE-2025-12801
2
support: Add a mini-library to extract and apply RPC
Trond Myklebust <trond.myklebust@hammerspace.com>
CVE-2025-12801
3
reexport.c: Some Distros need the following include to
Steve Dickson <steved@redhat.com>
CVE-2025-12801
4
mountd: Minor refactor of get_rootfh()
Trond Myklebust <trond.myklebust@hammerspace.com>
CVE-2025-12801
5
mountd: Separate lookup of the exported directory and the
Trond Myklebust <trond.myklebust@hammerspace.com>
CVE-2025-12801
6
NFS export symlink vulnerability fix
Christopher Bii <christopherbii@hyub.org>
CVE-2025-12801