Medium [CVE-2026-64847] Denial of Service due to undrained stderr in process-pool workers
This medium-severity Red Hat Linux advisory covers CVE-2026-64847; related products: Red Hat AI Inference Server 3.4, Ansible Automation Orchestrator 2026, Confidential Compute Attestation.
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Summary
Denial of Service due to undrained stderr in process-pool workers. Red Hat rates this moderate (CVSS 5.5).
Weakness: CWE-1322. Red Hat lists fixing advisory RHSA-2026:70969 with package rhaii/model-opt-cuda-rhel9:1790076498, rhaiis/vllm-rocm-rhel9:1790621713, rhaii/vllm-cpu-rhel9:1790075793, rhaii/vllm-spyre-rhel9:1790076141.
Affected products named by the advisory: Red Hat AI Inference Server 3.4; Ansible Automation Orchestrator 2026; Confidential Compute Attestation; Exploit Intelligence; and 11 more.
Affected products named by the advisory: Lightspeed Core; Migration Toolkit for Applications 8; Migration Toolkit for Containers; OpenShift Lightspeed; and 7 more.
- < 4.14.2
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
- rhaii/model-opt-cuda-rhel9:1790076498
- rhaiis/vllm-rocm-rhel9:1790621713
- rhaii/vllm-cpu-rhel9:1790075793
- rhaii/vllm-spyre-rhel9:1790076141
- rhaii/vllm-rocm-rhel9:1790109620
- rhaiis/vllm-cuda-rhel9:1790621718
- rhaii/vllm-cuda-rhel9:1790090131
- RHSA-2026:70969
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Mitigation
Upgrade to a fixed release: rhaii/model-opt-cuda-rhel9:1790076498, rhaiis/vllm-rocm-rhel9:1790621713, rhaii/vllm-cpu-rhel9:1790075793, rhaii/vllm-spyre-rhel9:1790076141, rhaii/vllm-rocm-rhel9:1790109620, rhaiis/vllm-cuda-rhel9:1790621718. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
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