linux-pam (aka Linux PAM) before 1.6.0 allows attackers to cause a denial of service…
Priority LOW 25CWE-664Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00459 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2024:3163 Released 2024-05-22 · Red Hat rating Moderatepam security update
- Red Hat Enterprise Linux BaseOS (v. 8) pam-1.3.1-33.el8, pam-devel-1.3.1-33.el8
- RHSA-2024:2438 Released 2024-04-30 · Red Hat rating Moderatepam security update
- Red Hat Enterprise Linux AppStream (v. 9) pam-devel-1.5.1-19.el9, pam-docs-1.5.1-19.el9
- Red Hat Enterprise Linux BaseOS (v. 9) pam-1.5.1-19.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2438 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:3163 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:2438 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-22365
- 2026-10-03 Alias added: GHSA-pcmw-6hxc-hqmx
References
More Linux-pam vulnerabilities
- TI-2022-11097 The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication… CVSS 3.1CRITICAL 9.8
- TI-2020-16865 Improper authentication in pam CVSS 3.1CRITICAL 9.8
- TI-2015-02867 The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before… CVSS 3.0MEDIUM 6.5
- TI-2014-02069 Multiple directory traversal vulnerabilities in pam_timestamp.c in the pam_timestamp… CVSS 2.0MEDIUM 5.8
- TI-2009-00845 Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM… CVSS 2.0MEDIUM 6.6
- TI-2010-04431 The pam_env module in Linux-PAM (aka pam) 1.1.2 and earlier reads the .pam_environment… CVSS 2.0HIGH 7.2
Sources
- CVE-2024-22365 · CVE Program
- CVE-2024-22365 · NVD
- FIRST EPSS
- GHSA-pcmw-6hxc-hqmx · GitHub Advisory Database · CC BY 4.0
- CVE-2024-22365 · Red Hat security data · CC BY 4.0
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