CVE-2024-22365
Published: January 18, 2024Last modified: July 9, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-pam | Vulnerable (1.5.2-r2) |
| Stream | linux-pam | Fixed (1.6.0-r0) |
References
- http://www.openwall.com/lists/oss-security/2024/01/18/3
- https://github.com/linux-pam/linux-pam
- https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb
- https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
- https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html