{"id":"CVE-2024-22365","title":"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.","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.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-664"],"vendor":"linux-pam","product":"linux-pam","affected":["linux-pam < 1.6.0"],"patched":["linux-pam 1.6.0"],"published":"2024-02-06","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:19.260","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-22365","references":[{"url":"http://www.openwall.com/lists/oss-security/2024/01/18/3","label":"cve@mitre.org"},{"url":"https://github.com/linux-pam/linux-pam","label":"cve@mitre.org"},{"url":"https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb","label":"cve@mitre.org"},{"url":"https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/18/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/linux-pam/linux-pam","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/linux-pam/linux-pam/commit/031bb5a5d0d950253b68138b498dc93be69a64cb","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/linux-pam/linux-pam/releases/tag/v1.6.0","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00021.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-577017.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00459,"epssPercentile":0.39589,"ingestedAt":"2026-10-15T03:30:12.639Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-02-15T21:07:13.510998Z"},"slug":"CVE-2024-22365","body":"## Overview\n\nlinux-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.\n\n## Affected\n\n- `linux-pam < 1.6.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux-pam 1.6.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}