| Name | CVE-2025-6020 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4306-1 |
| Debian Bugs | 1107919 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| pam (PTS) | bullseye | 1.4.0-9+deb11u1 | vulnerable |
| bullseye (security) | 1.4.0-9+deb11u2 | fixed | |
| bookworm | 1.5.2-6+deb12u1 | vulnerable | |
| forky, sid, trixie | 1.7.0-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| pam | source | experimental | 1.7.0-4 | |||
| pam | source | bullseye | 1.4.0-9+deb11u2 | DLA-4306-1 | ||
| pam | source | (unstable) | 1.7.0-5 | 1107919 |
[bookworm] - pam <no-dsa> (Can be fixed via point release)
https://www.openwall.com/lists/oss-security/2025/06/17/1
https://github.com/linux-pam/linux-pam/security/advisories/GHSA-f9p8-gjr4-j9gx
Fixed by: https://github.com/linux-pam/linux-pam/commit/475bd60c552b98c7eddb3270b0b4196847c0072e (v1.7.1)
Fixed by: https://github.com/linux-pam/linux-pam/commit/592d84e1265d04c3104acee815a503856db503a1 (v1.7.1)
Fixed by: https://github.com/linux-pam/linux-pam/commit/976c20079358d133514568fc7fd95c02df8b5773 (v1.7.1)