CVE-2024-22365: linux-pam (aka Linux PAM) before 1.6.0 allows attackers to cause a denial of service (blocked login process...
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.
Security readout for executives and security teams
This vulnerability can let a local, already-authenticated user block login-related processes on systems using Linux-PAM before 1.6.0. It is not described as remote code execution or data theft. The business risk is localized denial of service: affected hosts or appliances could have authentication disrupted until remediated or recovered. Exposure is most likely on Linux systems, embedded products, or vendor appliances shipping Linux-PAM versions before 1.6.0 or unpatched backports. The CVE source bundle does not provide complete CPE coverage, so distribution and vendor package advisories must drive final scope. Treat this as a moderate availability risk. It should be patched through normal vulnerability management, with higher priority for shared servers, operational technology, and systems where blocked logins would slow incident response or operations. Mitigation focus: Upgrade Linux-PAM to 1.6.0 or a vendor backported fixed package.; Check Linux distribution advisories for patched PAM package versions.; Review Siemens advisories if affected products are deployed..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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CWE-664: Exact CWE lookup
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CWE-664 · source CWE mapping
Improper Control of a Resource Through its Lifetime
Improper Control of a Resource Through its Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.