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nfs-utils: rpc.mountd in the nfs-utils privilege escalation

🗓️ 05 Mar 2026 19:12:37Reported by RedHatType 
redhat
 redhat
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Privilege escalation in rpc.mountd of nfs-utils lets NFS version three clients access any exported subdirectory at mount time regardless of permissions

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libnfsidmap1:2.5.4-38.el9_7.3libnfsidmap-1:2.5.4-38.el9_7.3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibnfsidmap1:2.5.4-38.el9_7.3libnfsidmap-1:2.5.4-38.el9_7.3.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibnfsidmap1:2.5.4-38.el9_7.3libnfsidmap-1:2.5.4-38.el9_7.3.s390x.rpm
Red Hat Enterprise Linux9x86_64libnfsidmap1:2.5.4-38.el9_7.3libnfsidmap-1:2.5.4-38.el9_7.3.x86_64.rpm
Red Hat Enterprise Linux9anylibnfsidmap1:2.5.4-38.el9_7.3.i686libnfsidmap-1:2.5.4-38.el9_7.3.i686.noarch.rpm
Red Hat Enterprise Linux9aarch64libnfsidmap-debuginfo1:2.5.4-38.el9_7.3libnfsidmap-debuginfo-1:2.5.4-38.el9_7.3.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibnfsidmap-debuginfo1:2.5.4-38.el9_7.3libnfsidmap-debuginfo-1:2.5.4-38.el9_7.3.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibnfsidmap-debuginfo1:2.5.4-38.el9_7.3libnfsidmap-debuginfo-1:2.5.4-38.el9_7.3.s390x.rpm
Red Hat Enterprise Linux9x86_64libnfsidmap-debuginfo1:2.5.4-38.el9_7.3libnfsidmap-debuginfo-1:2.5.4-38.el9_7.3.x86_64.rpm
Red Hat Enterprise Linux9anylibnfsidmap-debuginfo1:2.5.4-38.el9_7.3.i686libnfsidmap-debuginfo-1:2.5.4-38.el9_7.3.i686.noarch.rpm
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02 Apr 2026 16:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00019
SSVC
0