Red Hat Enterprise Linux (python-tornado): Schwachstelle ermöglicht Denial of Service
WID-SEC-2025-1143 · first 26.05.2025 · updated 05.02.2026 · CVSS 7,5
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- Red Hat Enterprise Linux <9
- Red Hat Enterprise Linux <10
- Splunk SOAR <7.1.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 10
- Splunk SOAR 7.1.0
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Red Hat Security Advisory vom 2025-05-25 access.redhat.com
- Red Hat Security Advisory vom 2025-05-25 access.redhat.com
- Oracle Linux Security Advisory ELSA-2025-8136 vom 2025-05-26 linux.oracle.com
- Red Hat Security Advisory RHSA-2025:8223 vom 2025-05-27 access.redhat.com
- Red Hat Security Advisory RHSA-2025:8226 vom 2025-05-27 access.redhat.com
- Red Hat Security Advisory RHSA-2025:8254 vom 2025-05-28 access.redhat.com
- Red Hat Security Advisory RHSA-2025:8279 vom 2025-05-29 access.redhat.com
- SUSE Security Update SUSE-SU-2025:01732-1 vom 2025-05-28 lists.suse.com
- Red Hat Security Advisory RHSA-2025:8323 vom 2025-05-29 access.redhat.com
- SUSE Security Update SUSE-SU-2025:01726-1 vom 2025-05-28 lists.suse.com
- Oracle Linux Security Advisory ELSA-2025-8254 vom 2025-05-29 linux.oracle.com
- Red Hat Security Advisory RHSA-2025:8291 vom 2025-05-29 access.redhat.com
- Red Hat Security Advisory RHSA-2025:8290 vom 2025-05-29 access.redhat.com
- Debian Security Advisory DLA-4188 vom 2025-05-29 lists.debian.org
- Ubuntu Security Notice USN-7547-1 vom 2025-06-02 ubuntu.com
- SUSE Security Update SUSE-SU-2025:01726-2 vom 2025-06-06 lists.suse.com
- Red Hat Security Advisory RHSA-2025:8664 vom 2025-06-09 access.redhat.com
- Debian Security Advisory DSA-5938 vom 2025-06-06 lists.debian.org
- Amazon Linux Security Advisory ALAS-2025-2888 vom 2025-06-12 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS-2025-2889 vom 2025-06-12 alas.aws.amazon.com
- Oracle Linux Security Advisory ELSA-2025-8135 vom 2025-06-27 linux.oracle.com
- SUSE Security Update SUSE-SU-2025:20430-1 vom 2025-06-26 lists.suse.com
- Amazon Linux Security Advisory ALAS2-2025-2888 vom 2025-06-30 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2-2025-2889 vom 2025-06-30 alas.aws.amazon.com
- SUSE Security Update SUSE-SU-2025:20445-1 vom 2025-06-30 lists.suse.com
and 16 more sources in the original advisory
CVE: CVE-2025-47287
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.