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{"bugzilla": {"description": "systemd: systemd: Local unprivileged user can cause Denial of Service", "id": "2457318", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457318"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["A flaw was found in systemd, a core component of Linux operating systems. A local user, without special privileges, can exploit this vulnerability. By manipulating a specific systemd unit configuration where delegation is enabled and the user is not set, the user can trigger an internal error, leading to a Denial of Service (DoS). This means the affected system may become unresponsive or crash, impacting its availability."], "name": "CVE-2026-40223", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "NetworkManager", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "rpm-ostree", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "NetworkManager", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "NetworkManager", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "NetworkManager", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-04-10T15:10:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40223\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40223\nhttps://github.com/systemd/systemd/security/advisories/GHSA-x4h8-rrrg-q78f"], "threat_severity": "Moderate"}