Medium severity · published Feb 6, 2024
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
5.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux-pam · Linux-pam
before 1.6.0 · source: NVD
RR
RUGGEDCOM ROX MX5000 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX MX5000RE · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1400 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1500 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1501 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1510 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1511 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1512 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1524 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX1536 · Siemens
before V2.17.1 · source: CISA
RR
RUGGEDCOM ROX RX5000 · Siemens
before V2.17.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-22365
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-22365
Exploit
http://www.openwall.com/lists/oss-security/2024/01/18/3
Product
https://github.com/linux-pam/linux-pam
Patch
https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb
Release Notes
https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-577017.html
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