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.
A 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.
References
| Link | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:22660 | |
| https://access.redhat.com/security/cve/CVE-2025-4598 | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2369242 | Issue Tracking |
| https://www.openwall.com/lists/oss-security/2025/05/29/3 | Mailing List |
| http://seclists.org/fulldisclosure/2025/Jun/9 | |
| http://www.openwall.com/lists/oss-security/2025/06/05/1 | Mailing List |
| http://www.openwall.com/lists/oss-security/2025/06/05/3 | Mailing List |
| http://www.openwall.com/lists/oss-security/2025/08/18/3 | |
| https://blogs.oracle.com/linux/post/analysis-of-cve-2025-4598 | Exploit Third Party Advisory |
| https://ciq.com/blog/the-real-danger-of-systemd-coredump-cve-2025-4598/ | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2025/07/msg00022.html | |
| https://www.openwall.com/lists/oss-security/2025/08/18/3 | Mailing List Third Party Advisory |
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History
03 Dec 2025, 12:15
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04 Nov 2025, 22:16
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Information
Published : 2025-05-30 14:15
Updated : 2025-12-03 12:15
NVD link : CVE-2025-4598
Mitre link : CVE-2025-4598
CVE.ORG link : CVE-2025-4598
JSON object : View
Products Affected
redhat
- enterprise_linux
- openshift_container_platform
debian
- debian_linux
systemd_project
- systemd
oracle
- linux
linux
- linux_kernel
CWE
CWE-364
Signal Handler Race Condition
