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CVE-2025-8941— Linux-pam: incomplete fix for cve-2025-6020

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
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.

Linux-pam是美国Linux基金会的一款用于Linux的支持插拔式的系统身份验证软件。 Linux-pam存在路径遍历漏洞，该漏洞源于pam_namespace模块处理用户控制路径不当，可能导致权限提升。

CVSS 7.8 · High EPSS 0.26% · P18
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I. Basic Information for CVE-2025-8941

Vulnerability Information
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Vulnerability Title
Linux-pam: incomplete fix for cve-2025-6020
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks and race conditions to elevate their privileges to root. This CVE provides a "complete" fix for CVE-2025-6020.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Linux-pam 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux-pam是美国Linux基金会的一款用于Linux的支持插拔式的系统身份验证软件。 Linux-pam存在路径遍历漏洞，该漏洞源于pam_namespace模块处理用户控制路径不当，可能导致权限提升。
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 7 Extended Lifecycle Support 0:1.1.8-23.el7_9.2 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 0:1.3.1-38.el8_10 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:1.3.1-8.el8_2.2 ~ * cpe:/o:redhat:rhel_aus:8.2::baseos
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.3.1-14.el8_4.2 ~ * cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:1.3.1-14.el8_4.2 ~ * cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.3.1-16.el8_6.3 ~ * cpe:/o:redhat:rhel_e4s:8.6::baseos
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:1.3.1-16.el8_6.3 ~ * cpe:/o:redhat:rhel_e4s:8.6::baseos
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:1.3.1-16.el8_6.3 ~ * cpe:/o:redhat:rhel_e4s:8.6::baseos
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:1.3.1-26.el8_8.2 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:1.3.1-26.el8_8.2 ~ * cpe:/o:redhat:rhel_e4s:8.8::baseos
Red Hat Red Hat Enterprise Linux 9 0:1.5.1-26.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:1.5.1-26.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:1.5.1-9.el9_0.3 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:1.5.1-15.el9_2.2 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:1.5.1-24.el9_4.1 ~ * cpe:/o:redhat:rhel_eus:9.4::baseos
Red Hat Red Hat Web Terminal 1.11 on RHEL 9 1.11-19 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red Hat Red Hat Web Terminal 1.11 on RHEL 9 1.11-8 ~ * cpe:/a:redhat:webterminal:1.11::el9
Red Hat Red Hat Web Terminal 1.12 on RHEL 9 1.12-4 ~ * cpe:/a:redhat:webterminal:1.12::el9
Red Hat cert-manager operator for Red Hat OpenShift 1.16 sha256:330e8b5ab4841a21f8f5f23cc7fb192197872f11639b12bf4b1e70831f636323 ~ * cpe:/a:redhat:cert_manager:1.16::el9
Red Hat Compliance Operator 1 sha256:c953e9f9abf9cf25bf65bb3ffdc86ccf49b3e69a1cf3fbb47b6972e421fd6628 ~ * cpe:/a:redhat:openshift_compliance_operator:1::el9
Red Hat Red Hat Discovery 2 sha256:c85cfbcaf7888885e57596b7b8bde3894718cfc33326499b24961a66a62cf083 ~ * cpe:/a:redhat:discovery:2::el9
Red Hat Red Hat Insights proxy 1.5 sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea ~ * cpe:/a:redhat:insights_proxy:1.5::el9
Red Hat Red Hat OpenShift sandboxed containers 1.1 sha256:24722900db1425bf0c27f6ad6f3fb7d79ff9ebc433bdab58423fa71bab76122b ~ * cpe:/a:redhat:confidential_compute_attestation:1.10::el9
Red Hat Red Hat OpenShift sandboxed containers 1.1 sha256:f5e1602d72177d77f1b879c76e6f6cfbc2979c136c06ca9f03ea97ffb369b7a6 ~ * cpe:/a:redhat:confidential_compute_attestation:1.10::el9
Red Hat Red Hat OpenShift sandboxed containers 1.1 sha256:cead623ceda4048cabaa81c371ed2a8143f5c5514276fca1d71685bd9e6d1e65 ~ * cpe:/a:redhat:confidential_compute_attestation:1.10::el9
Red Hat Red Hat OpenShift sandboxed containers 1.1 sha256:59fb1f7f1653361d94f7d48b42d8fe19ed3263c1c78654837c11f2135544c1ac ~ * cpe:/a:redhat:confidential_compute_attestation:1.10::el9

II. Public POCs for CVE-2025-8941

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III. Intelligence Information for CVE-2025-8941

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Vendor Advisories for CVE-2025-8941 (9)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2025-8941

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