[UPDATE] [medium] Red Hat Advanced Cluster Security: Vulnerability allows Denial of Service

mediumCVE-2025-22868

A remote, anonymous attacker can exploit a vulnerability in Red Hat Advanced Cluster Security to conduct a Denial of Service attack.

CSIRTS triage

vendor: Red Hat product: Red Hat Advanced Cluster Security Denial of service

What: A remote, anonymous attacker can exploit a vulnerability in Red Hat Advanced Cluster Security to conduct a Denial of Service attack.
Who is affected: Users of Red Hat Advanced Cluster Security are affected by this vulnerability.
Urgency: Remediation is medium urgency as denial of service can disrupt service availability.
Action: Update to the latest version of Red Hat Advanced Cluster Security to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Red Hat Advanced Cluster Security

Get an email when a new Red Hat Advanced Cluster Security advisory drops — max one per day, one-click unsubscribe.

Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0512

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-228680.84% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 55% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-22868	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[UPDATE] [medium] Red Hat Enterprise Linux (Gatekeeper): Multiple vulnerabilities allow Denial of Servicecert-bund

Recent advisories for Red Hat Advanced

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-73137: A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluste…nvd · 2026-08-20
highCVE-2026-66787: A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubern…nvd · 2026-08-20
highCVE-2026-66783: A flaw was found in the `submariner-operator` component of Red Hat Advanced Cluster Management…nvd · 2026-08-18
mediumCVE-2026-75485: A flaw was found in the must-gather component of Red Hat Advanced Cluster Management for Kuber…nvd · 2026-08-18
mediumCVE-2026-73834: A flaw was found in the must-gather component of Red Hat Advanced Cluster Management for Kuber…nvd · 2026-08-18
highCVE-2026-66793: A flaw was found in the governance-policy-addon-controller component of Red Hat Advanced Clust…nvd · 2026-08-18