Linux-pam: linux-pam directory traversal

7.8 CVSS

Vulnerability Description

A flaw was found in linux-pam. The module pam_namespace may use access user-controlled paths without proper protection, allowing local users to elevate their privileges to root via multiple symlink attacks and race conditions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Olivier BAL-PETRE (ANSSI - French Cybersecurity Agency) for reporting this issue.

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Affected Vendor

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Affected Software

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Web Terminal 1.11 on RHEL 9, Red Hat Web Terminal 1.12 on RHEL 9, RHEL-8 based Middleware Containers, RHOSS-1.36-RHEL-8, cert-manager operator for Red Hat OpenShift 1.16, OpenShift Compliance Operator 1, Red Hat Discovery 2, Red Hat Insights proxy 1.5, Red Hat OpenShift distributed tracing 3.6.0, Red Hat OpenShift sandboxed containers 1.1

Vulnerable Versions:

0, 0:1.6.1-8.el10, 0:1.6.1-8.el10_0, 0:1.1.8-23.el7_9.1, 0:1.3.1-37.el8_10, 0:1.3.1-38.el8_10, 0:1.3.1-8.el8_2.1, 0:1.3.1-14.el8_4.1, 0:1.3.1-16.el8_6.2, 0:1.3.1-26.el8_8.1, 0:1.5.1-26.el9_6, 0:1.5.1-25.el9_6, 0:1.5.1-9.el9_0.2, 0:1.5.1-15.el9_2.1, 0:1.5.1-24.el9_4, 1.11-19, 1.11-8, 1.12-4, 7.13.5-4.1752066672, 7.13.5-4.1752065732, 7.13.5-3.1752065737, 7.13.5-4.1752065731, 7.13.5-25, 7.13.5-4.1752065736, 7.13.5-2.1752065733, 7.13.5-4.1752065755, 1.36.0-11, 1.36.0-10, 1.36.0-4, 1.36.0-9, 1.36.0-12, 1.36.0-18, 1.36.0-7, v1.16.5-1760515757, 1.8.0, 2.0.0-1752592913, 2.2.1-1758555934, 1.5.7-1759331989, rhosdt-3.6-1752046452, rhosdt-3.6-1752046437, rhosdt-3.6-1752046439, rhosdt-3.6-1752070865, rhosdt-3.6-1752070873, rhosdt-3.6-1751993590, rhosdt-3.6-1752070827, rhosdt-3.6-1752070833, rhosdt-3.6-1752070866, 1.10.2-1757422110, 1.10.2-1757421804, 1.10.2-1757421879, 1.10.2-1757422401