CVE-2024-22365

2024-02-0608:15:52

Debian Security Bug Tracker

security-tracker.debian.org

cve-2024-22365

linux pam

denial of service

mkfifo

openat call

protect_dir

o_directory

unix

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

8.9 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
Debian12allpam<= 1.5.2-6+deb12u1pam_1.5.2-6+deb12u1_all.deb
Debian11allpam<= 1.4.0-9+deb11u1pam_1.4.0-9+deb11u1_all.deb
Debian999allpam< 1.5.3-4pam_1.5.3-4_all.deb
Debian13allpam< 1.5.3-4pam_1.5.3-4_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	pam	<= 1.5.2-6+deb12u1	pam_1.5.2-6+deb12u1_all.deb
Debian	11	all	pam	<= 1.4.0-9+deb11u1	pam_1.4.0-9+deb11u1_all.deb
Debian	999	all	pam	< 1.5.3-4	pam_1.5.3-4_all.deb
Debian	13	all	pam	< 1.5.3-4	pam_1.5.3-4_all.deb