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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/linux-pam/linux-pam ↗
- http://www.openwall.com/lists/oss-security/2024/01/18/3 ↗
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0 ↗
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb ↗
- https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html ↗