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.
CVE-2024-22365
Score 5.5 from GitHub Security Advisory published 2024-02-06. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- 25(Track)EG Risk 25/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity55% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 38%
- 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.
Affected Packages
(9 across 9 ecosystems)
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-pam | — | 1.6.0-r0 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-pam | — | 1.6.0-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-pam | — | 1.6.0-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-pam | — | 1.6.0-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux-pam | — | 1.6.0-r0 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pam | 1.4.0-9, 1.4.0-9+deb11u1 | 1.4.0-9+deb11u2 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pam | 1.5.2-6, 1.5.2-6+deb12u1 | 1.5.2-6+deb12u2 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pam | — | 1.5.3-4 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pam | — | 1.5.3-4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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.
- Microsoft MSRCCVE-2024-223652024-02-06
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.
- Red HatRHSA-2024:2438MODERATE2024-01-18
RHSA-2024:2438 — Moderate
- Red HatRHSA-2024:3163MODERATE2024-01-18
RHSA-2024:3163 — Moderate
- UbuntuUSN-6588-1MEDIUM
PAM vulnerability
- UbuntuUSN-6588-2MEDIUM
PAM vulnerability
Data Freshness Timeline
(refreshed 5× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 167 total refreshes for this CVE.
- 2026-08-25 13:47 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
- 2026-08-20 22:53 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:46 UTCEPSS rescore
- 2026-08-17 13:45 UTCEPSS rescore
- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 02:12 UTCEPSS rescore
- 2026-08-15 01:28 UTCEPSS rescore
- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-13 09:43 UTCOSV refresh
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-11 13:40 UTCEPSS rescore
- 2026-08-09 13:45 UTCEPSS rescore
- 2026-08-08 16:35 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:08 UTCEPSS rescore
- 2026-08-04 10:36 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 04:14 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:29 UTCEPSS rescore
- 2026-07-28 18:17 UTCOSV refresh
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-27 14:11 UTCEPSS rescore
- 2026-07-26 14:53 UTCEPSS rescore
- 2026-07-25 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:17 UTCEPSS rescore
- 2026-07-23 14:17 UTCEPSS rescore
- 2026-07-23 02:33 UTCEG score recompute
- 2026-07-22 23:20 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 10:22 UTCOSV refresh
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-08 15:13 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
- 2026-07-04 06:30 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-22 17:05 UTCOSV refresh
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-18 17:51 UTCEPSS rescore
- 2026-06-18 17:51 UTCEPSS rescore
- 2026-06-17 17:52 UTCEPSS rescore
- 2026-06-17 17:52 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-14 23:16 UTCEPSS rescore
Frequently asked(5)
What is CVE-2024-22365?
When was CVE-2024-22365 disclosed?
Is CVE-2024-22365 actively exploited?
What is the CVSS score of CVE-2024-22365?
How do I remediate CVE-2024-22365?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-22365
Is Your Infrastructure Affected by CVE-2024-22365?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.