Base Score

MEDIUM5.5

CVE-2024-22365

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.

VectorLOCAL

Published Bycve@mitre.org

Published DateFeb 06, 2024, 08:15

Weakness Type (CWE):NVD-CWE-noinfo

CVSS Metrics

Base Score

5.5

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

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

Base Score

MEDIUM5.5

Weakness Type (CWE):NVD-CWE-noinfo

CVSS Metrics

Base Score

5.5

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH