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CVE-2025-12801— Nfs-utils: rpc.mountd in the nfs-utils privilege escalation

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Enterprise Linux 10是美国红帽（Red Hat）公司的一套面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在安全漏洞，该漏洞源于rpc.mountd守护进程存在权限提升问题，可能导致NFSv3客户端访问导出目录的任何子目录或子树。

CVSS 6.5 · Medium EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 15

VendorProduct Version RangeStatus
Red Hat Red Hat Ceph Storage 8 1774002867< * unaffected
Red Hat Red Hat Enterprise Linux 10 1:2.8.3-0.el10_1.3< * unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 1:2.3.3-68.el8_10< * unaffected
Red Hat Red Hat Enterprise Linux 9 1:2.5.4-38.el9_7.3< * unaffected
1:2.5.4-38.el9_7.3< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 1:2.5.4-26.el9_4.3< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 1:2.5.4-34.el9_6.3< * unaffected
Red Hat Red Hat OpenShift Container Platform 4 any affected
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202603231244-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202603242359-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.18 418.94.202603181125-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.19 4.19.9.6.202603251941-0< * unaffected
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I. Basic Information for CVE-2025-12801

Vulnerability Information
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Vulnerability Title
Nfs-utils: rpc.mountd in the nfs-utils privilege escalation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的运行时授予权限
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Enterprise Linux 10 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux 10是美国红帽（Red Hat）公司的一套面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在安全漏洞，该漏洞源于rpc.mountd守护进程存在权限提升问题，可能导致NFSv3客户端访问导出目录的任何子目录或子树。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 1:2.8.3-0.el10_1.3 ~ * cpe:/o:redhat:enterprise_linux:10.1
Red Hat Red Hat Enterprise Linux 8 1:2.3.3-68.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 9 1:2.5.4-38.el9_7.3 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 1:2.5.4-38.el9_7.3 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 1:2.5.4-26.el9_4.3 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 1:2.5.4-34.el9_6.3 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202603231244-0 ~ * cpe:/a:redhat:openshift:4.16::el9
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202603242359-0 ~ * cpe:/a:redhat:openshift:4.17::el9
Red Hat Red Hat OpenShift Container Platform 4.18 418.94.202603181125-0 ~ * cpe:/a:redhat:openshift:4.18::el9
Red Hat Red Hat OpenShift Container Platform 4.19 4.19.9.6.202603251941-0 ~ * cpe:/a:redhat:openshift:4.19::el9
Red Hat Red Hat Ceph Storage 8 1774002867 ~ * cpe:/a:redhat:ceph_storage:8::el9
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2025-12801

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III. Intelligence Information for CVE-2025-12801

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Vendor Advisories for CVE-2025-12801 (12)

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-279

V. Comments for CVE-2025-12801

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