CVE-2024-22365

Publication date 17 January 2024

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
pam 23.10 mantic
Fixed 1.5.2-6ubuntu1.1
23.04 lunar
Fixed 1.5.2-5ubuntu1.1
22.04 LTS jammy
Fixed 1.4.0-11ubuntu2.4
20.04 LTS focal
Fixed 1.3.1-5ubuntu4.7
18.04 LTS bionic
Fixed 1.1.8-3.6ubuntu2.18.04.6+esm1
16.04 LTS xenial
Fixed 1.1.8-3.2ubuntu2.3+esm5
14.04 LTS trusty
Fixed 1.1.8-1ubuntu2.2+esm4

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Severity score breakdown

Parameter Value
Base score 5.5 · Medium
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

References

Related Ubuntu Security Notices (USN)

Other references