CVE-2025-6020
Published: June 18, 2025Last modified: July 5, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-pam | Unknown (1.5.2-r2) |
| Stream | linux-pam | Unknown (1.5.2-r7) |
References
- http://www.openwall.com/lists/oss-security/2025/06/17/1
- 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://cert-portal.siemens.com/productcert/html/ssa-577017.html
- https://github.com/linux-pam/linux-pam/security/advisories/GHSA-f9p8-gjr4-j9gx
- https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html