CVE-2024-22365

2024-01-1700:00:00

ubuntu.com

linux pam

denial of service

mkfifo

openat call

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpam< 1.1.8-3.6ubuntu2.18.04.6+esm1UNKNOWN
ubuntu20.04noarchpam< 1.3.1-5ubuntu4.7UNKNOWN
ubuntu22.04noarchpam< 1.4.0-11ubuntu2.4UNKNOWN
ubuntu23.04noarchpam< 1.5.2-5ubuntu1.1UNKNOWN
ubuntu23.10noarchpam< 1.5.2-6ubuntu1.1UNKNOWN
ubuntu14.04noarchpam< 1.1.8-1ubuntu2.2+esm4UNKNOWN
ubuntu16.04noarchpam< 1.1.8-3.2ubuntu2.3+esm5UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	pam	< 1.1.8-3.6ubuntu2.18.04.6+esm1	UNKNOWN
ubuntu	20.04	noarch	pam	< 1.3.1-5ubuntu4.7	UNKNOWN
ubuntu	22.04	noarch	pam	< 1.4.0-11ubuntu2.4	UNKNOWN
ubuntu	23.04	noarch	pam	< 1.5.2-5ubuntu1.1	UNKNOWN
ubuntu	23.10	noarch	pam	< 1.5.2-6ubuntu1.1	UNKNOWN
ubuntu	14.04	noarch	pam	< 1.1.8-1ubuntu2.2+esm4	UNKNOWN
ubuntu	16.04	noarch	pam	< 1.1.8-3.2ubuntu2.3+esm5	UNKNOWN