Skip to content
Fencer Vulns
medium 5.5

CVE-2024-22365 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…

published 2024-02-06 2 y ago modified 2026-10-15 25 d ago also EUVD-2024-19924

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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.

Patch / fix

  • Siemens RUGGEDCOM ROX MX5000 V2.17.1
  • Siemens RUGGEDCOM ROX MX5000RE V2.17.1
  • Siemens RUGGEDCOM ROX RX1400 V2.17.1
  • Siemens RUGGEDCOM ROX RX1500 V2.17.1
  • Siemens RUGGEDCOM ROX RX1501 V2.17.1
  • Siemens RUGGEDCOM ROX RX1510 V2.17.1
  • Siemens RUGGEDCOM ROX RX1511 V2.17.1
  • Siemens RUGGEDCOM ROX RX1512 V2.17.1
  • Siemens RUGGEDCOM ROX RX1524 V2.17.1
  • Siemens RUGGEDCOM ROX RX1536 V2.17.1
  • Siemens RUGGEDCOM ROX RX5000 V2.17.1
  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem V1.1
  • pam Debian 12 1.5.2-6+deb12u2
  • pam Debian 14, Debian 13 1.5.3-4

debian advisories DEBIAN-CVE-2024-22365

  • pam Ubuntu 20.04 LTS 1.3.1-5ubuntu4.7
  • pam Ubuntu 22.04 LTS 1.4.0-11ubuntu2.4
  • pam Ubuntu Pro 14.04 LTS 1.1.8-1ubuntu2.2+esm4
  • pam Ubuntu Pro 16.04 LTS 1.1.8-3.2ubuntu2.3+esm5
  • pam Ubuntu Pro 18.04 LTS 1.1.8-3.6ubuntu2.18.04.6+esm1

ubuntu advisories UBUNTU-CVE-2024-22365

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pam RHEL 8 1.3.1-33.el8
  • pam RHEL 9 1.5.1-19.el9

red hat advisories RHSA-2024:3163RHSA-2024:2438

  • pam SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.1.8-24.56.1
  • pam SLE Real Time 15 SP4, SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5 +25 more 1.3.0-150000.6.66.1

suse advisories SUSE-SU-2024:0137-1SUSE-SU-2024:0136-2SUSE-SU-2024:0136-1

  • pam AlmaLinux 8 1.3.1-33.el8
  • pam AlmaLinux 9 1.5.1-19.el9

almalinux advisories ALSA-2024:3163ALSA-2024:2438

  • pam Rocky Linux 8 1.3.1-33.el8

rocky linux advisories RLSA-2024:3163

  • linux-pam Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 1.6.0-r0

alpine advisories ALPINE-CVE-2024-22365

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pam CBL-Mariner 2.0 1.5.1-6
  • pam Azure Linux 3.0 1.5.3-2

azure linux advisories AZL-34156AZL-35100

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-22365 updated cvss 5.5

pam: allowing unprivileged user to block another user namespace

  • Red Hat Enterprise Linux 7 pam
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 9) pam-docs 1.5.1-19.el9, pam-devel 1.5.1-19.el9, pam-debuginfo 1.5.1-19.el9, pam-debugsource 1.5.1-19.el9
    fixed: vendor fix RHSA-2024:2438
  • Red Hat Enterprise Linux BaseOS (v. 8) pam 1.3.1-33.el8
    fixed: vendor fix RHSA-2024:3163
  • Red Hat Enterprise Linux BaseOS (v. 9) pam 1.5.1-19.el9
    fixed: vendor fix RHSA-2024:2438

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-26-134-16 updated cvss 5.5

Siemens Ruggedcom Rox

  • Siemens RUGGEDCOM ROX MX5000 < 2.17.1 Siemens RUGGEDCOM ROX MX5000RE < 2.17.1 Siemens RUGGEDCOM ROX RX1400 < 2.17.1 Siemens RUGGEDCOM ROX RX1500 < 2.17.1 Siemens RUGGEDCOM ROX RX1501 < 2.17.1 Siemens RUGGEDCOM ROX RX1510 < 2.17.1
    +5 more products
    Siemens RUGGEDCOM ROX RX1511 < 2.17.1 Siemens RUGGEDCOM ROX RX1512 < 2.17.1 Siemens RUGGEDCOM ROX RX1524 < 2.17.1 Siemens RUGGEDCOM ROX RX1536 < 2.17.1 Siemens RUGGEDCOM ROX RX5000 < 2.17.1
    affected: fixed in V2.17.1 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-166-11 updated cvss 5.5

Siemens SIMATIC S7-1500 TM MFP Linux Kernel

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • openwall.com http://www.openwall.com/lists/oss-security/2024/01/18/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Siemens RUGGEDCOM ROX MX5000
  • Siemens RUGGEDCOM ROX MX5000RE
  • Siemens RUGGEDCOM ROX RX1400
  • Siemens RUGGEDCOM ROX RX1500
  • Siemens RUGGEDCOM ROX RX1501
  • Siemens RUGGEDCOM ROX RX1510
  • Siemens RUGGEDCOM ROX RX1511
  • Siemens RUGGEDCOM ROX RX1512
  • Siemens RUGGEDCOM ROX RX1524
  • Siemens RUGGEDCOM ROX RX1536
  • Siemens RUGGEDCOM ROX RX5000
  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Classification

Weakness
  • CWE-664 Improper Control of a Resource Through its Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.