CVE-2024-22365

MEDIUMNVD 5.55.5—

5.5

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 v3: 5.5
EG Score: 5.5(medium)
EPSS: 25.0%
KEV: Not listed

Published

February 6, 2024

Last Modified

May 12, 2026

References (11)

cve@mitrehttp://www.openwall.com/lists/oss-security/2024/01/18/3
cve@mitrehttps://github.com/linux-pam/linux-pam
cve@mitrehttps://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb
cve@mitrehttps://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/01/18/3
af854a3a-2127-422b-91ae-364da2661108https://github.com/linux-pam/linux-pam
af854a3a-2127-422b-91ae-364da2661108https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb
af854a3a-2127-422b-91ae-364da2661108https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-577017.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-794697.html

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libpam0g-dev (1.5.2-5ubuntu1.1) @ lunar	2026-05-22	ubuntu
ubuntu	libpam0g-dev (1.1.8-3.2ubuntu2.3+esm5) @ xenial	2026-05-22	ubuntu
redhat	pam-0:1.3.1-33.el8	2024-05-22	redhat
redhat	pam-0:1.5.1-19.el9	2024-04-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-664

All Vendor Advisories

(5)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 04:52 UTCEG score recompute
2026-05-22 04:52 UTCVendor advisory
2026-05-22 04:52 UTCGHSA enrichment
2026-05-21 22:42 UTCepss_batch
2026-05-21 22:42 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2024-22365?

CVE-2024-22365 is a medium vulnerability published on February 6, 2024. 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 protectdir) lacks ODIRECTORY.

When was CVE-2024-22365 disclosed?

CVE-2024-22365 was first published in the National Vulnerability Database on February 6, 2024, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-22365 actively exploited?

CVE-2024-22365 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-22365?

CVE-2024-22365 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2024-22365?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-22365, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-22365

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CVE-2024-22365

Published

Last Modified

References (11)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-22365?

Same vendor

Same CWE

CVE-2024-22365

📅 Published

🔄 Last Modified

🔗 References (11)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-22365?

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References (11)

Frequently asked(5)

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