CVE-2025-6020
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
0 < 1.7.1 | affected | ||
| Red Hat | Red Hat Enterprise Linux 10 | 0:1.6.1-8.el10 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:1.6.1-8.el10_0 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | 0:1.1.8-23.el7_9.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.3.1-37.el8_10 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.3.1-38.el8_10 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:1.3.1-8.el8_2.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:1.3.1-14.el8_4.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:1.3.1-16.el8_6.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:1.3.1-16.el8_6.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:1.3.1-16.el8_6.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:1.3.1-26.el8_8.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:1.3.1-26.el8_8.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.5.1-26.el9_6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.5.1-25.el9_6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.5.1-26.el9_6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.5.1-25.el9_6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:1.5.1-9.el9_0.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:1.5.1-15.el9_2.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:1.5.1-24.el9_4 < * | unaffected |
| Red Hat | Red Hat Web Terminal 1.11 on RHEL 9 | 1.11-19 < * | unaffected |
| Red Hat | Red Hat Web Terminal 1.11 on RHEL 9 | 1.11-8 < * | unaffected |
| Red Hat | Red Hat Web Terminal 1.12 on RHEL 9 | 1.12-4 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752066672 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752065732 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752065732 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-3.1752065737 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752065731 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-25 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752065736 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-2.1752065733 < * | unaffected |
| Red Hat | RHEL-8 based Middleware Containers | 7.13.5-4.1752065755 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-11 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-11 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-11 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-10 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-10 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-4 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-9 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-12 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-18 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-11 < * | unaffected |
| Red Hat | RHOSS-1.36-RHEL-8 | 1.36.0-7 < * | unaffected |
| Red Hat | cert-manager operator for Red Hat OpenShift 1.16 | v1.16.5-1760515757 < * | unaffected |
| Red Hat | OpenShift Compliance Operator 1 | 1.8.0 < * | unaffected |
| Red Hat | Red Hat Discovery 2 | 2.0.0-1752592913 < * | unaffected |
| Red Hat | Red Hat Discovery 2 | 2.2.1-1758555934 < * | unaffected |
| Red Hat | Red Hat Insights proxy 1.5 | 1.5.7-1759331989 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752046452 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752046437 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752046439 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752070865 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752070873 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1751993590 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752070827 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752070833 < * | unaffected |
| Red Hat | Red Hat OpenShift distributed tracing 3.6.0 | rhosdt-3.6-1752070866 < * | unaffected |
| Red Hat | Red Hat OpenShift sandboxed containers 1.1 | 1.10.2-1757422110 < * | unaffected |
| Red Hat | Red Hat OpenShift sandboxed containers 1.1 | 1.10.2-1757421804 < * | unaffected |
| Red Hat | Red Hat OpenShift sandboxed containers 1.1 | 1.10.2-1757421879 < * | unaffected |
| Red Hat | Red Hat OpenShift sandboxed containers 1.1 | 1.10.2-1757422401 < * | unaffected |
Weaknesses
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Workarounds
Disable the pam_namespace module if it is not essential for your environment, or carefully review and configure it to avoid operating on any directories or paths that can be influenced or controlled by unprivileged users, such as user home directories or world-writable locations like /tmp.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
- http://www.openwall.com/lists/oss-security/2025/06/17/1
- https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html
Additional References
References
- https://access.redhat.com/errata/RHSA-2025:10024
- https://access.redhat.com/errata/RHSA-2025:10027
- https://access.redhat.com/errata/RHSA-2025:10180
- https://access.redhat.com/errata/RHSA-2025:10354
- https://access.redhat.com/errata/RHSA-2025:10357
- https://access.redhat.com/errata/RHSA-2025:10358
- https://access.redhat.com/errata/RHSA-2025:10359
- https://access.redhat.com/errata/RHSA-2025:10361
- https://access.redhat.com/errata/RHSA-2025:10362
- https://access.redhat.com/errata/RHSA-2025:10735
- https://access.redhat.com/errata/RHSA-2025:10823
- https://access.redhat.com/errata/RHSA-2025:11386
- https://access.redhat.com/errata/RHSA-2025:11487
- https://access.redhat.com/errata/RHSA-2025:14557
- https://access.redhat.com/errata/RHSA-2025:15099
- https://access.redhat.com/errata/RHSA-2025:15709
- https://access.redhat.com/errata/RHSA-2025:15827
- https://access.redhat.com/errata/RHSA-2025:15828
- https://access.redhat.com/errata/RHSA-2025:16524
- https://access.redhat.com/errata/RHSA-2025:17181
- https://access.redhat.com/errata/RHSA-2025:18219
- https://access.redhat.com/errata/RHSA-2025:20181
- https://access.redhat.com/errata/RHSA-2025:21885
- https://access.redhat.com/errata/RHSA-2025:22019
- https://access.redhat.com/errata/RHSA-2025:9526
- https://access.redhat.com/errata/RHSA-2026:0934
- https://access.redhat.com/security/cve/CVE-2025-6020
- https://bugzilla.redhat.com/show_bug.cgi?id=2372512
- https://github.com/linux-pam/linux-pam/security/advisories/GHSA-f9p8-gjr4-j9gx
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