CVE-2024-22365

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://github.com/linux-pam/linux-pam
• http://www.openwall.com/lists/oss-security/2024/01/18/3
• https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
• https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb
• https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html

Additional References

• https://cert-portal.siemens.com/productcert/html/ssa-794697.html
• https://cert-portal.siemens.com/productcert/html/ssa-577017.html

References

• https://github.com/linux-pam/linux-pam
• http://www.openwall.com/lists/oss-security/2024/01/18/3
• https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0
• https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb

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