Medium [CVE-2026-89512] Linux kernel: Denial of Service in remoteproc SCP due to reference leak
This medium-severity Red Hat Linux advisory covers CVE-2026-89512 affecting Red Hat OpenShift Container Platform 4.
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Summary
A flaw was found in the Linux kernel's remoteproc SCP component. This vulnerability involves a device reference leak, where the system fails to properly release a reference to a device during a driver data lookup.
This occurs specifically before the driver has been fully bound. A local attacker could potentially exploit this issue to cause resource exhaustion, leading to a Denial of Service (DoS) condition.
Red Hat severity: Moderate — CVSS 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-772.
Affected Red Hat products: Red Hat OpenShift Container Platform 4. Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 46 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 46 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 46 minutes ago·verify at source
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