Description
linux-pam (aka Linux PAM) before 1.6.0 allows attackers to cause a denial of service (blocked login process) via mkfifo because the openat call (for protect_dir) lacks O_DIRECTORY.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| Siemens | RUGGEDCOM ROX MX5000 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX MX5000RE | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1400 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1500 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1501 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1510 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1511 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1512 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1524 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX1536 | < V2.17.1 |
| Siemens | RUGGEDCOM ROX RX5000 | < V2.17.1 |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | < V1.1 |
References
- http://www.openwall.com/lists/oss-security/2024/01/18/3Exploit, Mailing List, Patch, Release Notes
- https://github.com/linux-pam/linux-pamProduct
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cbPatch
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0Release Notes
- http://www.openwall.com/lists/oss-security/2024/01/18/3Exploit, Mailing List, Patch, Release Notes
- https://github.com/linux-pam/linux-pamProduct
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cbPatch
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0Release Notes
- https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Timeline
- Published
- Feb 6, 2024
- Last modified
- Oct 15, 2026
- NVD status
- Modified