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This flaw allows an attacker to force a SUID process to crash and replace it with a non-SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the original process.\n\nA SUID binary or process has a special type of permission, which allows the process to run with the file owner's permissions, regardless of the user executing the binary. This allows the process to access more restricted data than unprivileged users or processes would be able to. An attacker can leverage this flaw by forcing a SUID process to crash and force the Linux kernel to recycle the process PID before systemd-coredump can analyze the /proc/pid/auxv file. If the attacker wins the race condition, they gain access to the original's SUID process coredump file. They can read sensitive content loaded into memory by the original binary, affecting data confidentiality."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en systemd-coredump. Este fallo permite a un atacante forzar un proceso SUID para que deje de funcionar y reemplazarlo con un no-SUID binario para acceder al proceso original y con privilegios coredump; lo que permite al atacante leer informaci\u00f3n sensible, como el contenido de /etc/shadow, cargado por el proceso original. Un binario SUID o proceso tiene un tipo especial de permiso que faculta al proceso a ejecutarse con los permisos del propietario del fichero, independientemente de qui\u00e9n sea el usuario que ejecuta el binario. Esto permite al proceso acceder a datos m\u00e1s restringidos que a un usuario sin privilegios o a un proceso. Un atacante puede aprovechar este fallo forzando la ca\u00edda de un proceso SUID y haciendo que el kernel de Linux recicle el PID del proceso antes de que systemd-coredump pueda analizar el fichero /proc/pid/auxv. Si el atacante gana la condici\u00f3n de carrera, obtiene acceso al fichero coredump del proceso SUID original y puede leer contenido sensible cargado en la memoria por el binario original, lo que afecta a la confidencialidad de la informaci\u00f3n."}], "id": "CVE-2025-4598", "lastModified": "2026-01-13T23:16:03.237", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2025-05-30T14:15:23.557", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22660"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22868"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:23227"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:23234"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0414"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2025-4598"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369242"}, {"source": "secalert@redhat.com", "tags": ["Mailing List"], "url": "https://www.openwall.com/lists/oss-security/2025/05/29/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Jun/9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2025/06/05/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2025/06/05/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/08/18/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blogs.oracle.com/linux/post/analysis-of-cve-2025-4598"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://ciq.com/blog/the-real-danger-of-systemd-coredump-cve-2025-4598/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2025/08/18/3"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-364"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "systemd-coredump: race condition that allows a local attacker to crash a SUID program and gain read access to the resulting core dump", "id": "2369242", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369242"}, "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:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-364", "details": ["A vulnerability was found in systemd-coredump. This flaw allows an attacker to force a SUID process to crash and replace it with a non-SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the original process.\nA SUID binary or process has a special type of permission, which allows the process to run with the file owner's permissions, regardless of the user executing the binary. This allows the process to access more restricted data than unprivileged users or processes would be able to. An attacker can leverage this flaw by forcing a SUID process to crash and force the Linux kernel to recycle the process PID before systemd-coredump can analyze the /proc/pid/auxv file. If the attacker wins the race condition, they gain access to the original's SUID process coredump file. They can read sensitive content loaded into memory by the original binary, affecting data confidentiality.", "A vulnerability was found in systemd-coredump. This flaw allows an attacker to force a SUID process to crash and replace it with a non-SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the original process.\nA SUID binary or process has a special type of permission, which allows the process to run with the file owner's permissions, regardless of the user executing the binary. This allows the process to access more restricted data than unprivileged users or processes would be able to. An attacker can leverage this flaw by forcing a SUID process to crash and force the Linux kernel to recycle the process PID before systemd-coredump can analyze the /proc/pid/auxv file. If the attacker wins the race condition, they gain access to the original's SUID process coredump file. They can read sensitive content loaded into memory by the original binary, affecting data confidentiality."], "mitigation": {"lang": "en:us", "value": "This issue can be mitigated by disabling the capability of the system to generate a coredump for SUID binaries. The perform that, the following command can be ran as `root` user:\n~~~\necho 0 > /proc/sys/fs/suid_dumpable\n~~~\nWhile this mitigates this vulnerability while it's not possible to update the systemd package, it disables the capability of analyzing crashes for such binaries."}, "name": "CVE-2025-4598", "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": "Fix deferred", "package_name": "rpm-ostree", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "NetworkManager", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "systemd", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-05-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-4598\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-4598\nhttps://www.openwall.com/lists/oss-security/2025/05/29/3"], "statement": "This flaw was rated as having a severity of Moderate due to the complexity to exploit this flaw. The attacker needs to setup a way to win the race condition and have an unprivileged local account to successfully exploit this vulnerability.\nBy default Red Hat Enterprise Linux 8 doesn't allow systemd-coredump to create dumps of SUID programs as the /proc/sys/fs/suid_dumpable is set to 0, disabling by default this capability.\nWithin regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-364: Signal Handler Race Condition vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\nRed Hat enforces least functionality by enabling only essential features, services, and ports to reduce the system\u2019s attack surface. Static code analysis, peer reviews, and strong input validation detect unsafe input that could influence execution timing or path resolution. Real-time threat detection, including IPS/IDS, antimalware, and continuous monitoring, supports rapid identification of exploitation attempts. Process isolation and Kubernetes orchestration minimize the risk of concurrent execution conflicts and contain potential impacts. Executable search paths are limited to trusted, explicitly defined directories, reducing the risk of executing malicious files. Additionally, signal handling is implemented using secure development practices that mitigate asynchronous execution risks, and workloads run in environments that abstract direct signal management.", "threat_severity": "Moderate"}

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