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.
Medium CVSS 5.5
Summary
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.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- http://www.openwall.com/lists/oss-security/2024/01/18/3 Exploit
- https://github.com/linux-pam/linux-pam Product
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb Patch
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0 Release Notes
- http://www.openwall.com/lists/oss-security/2024/01/18/3 Exploit
- https://github.com/linux-pam/linux-pam Product
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb Patch
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0 Release 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
- nvd_ingest NVD