CVE-2025-21732
CSIRTS triage
- What
- Race condition in RDMA/mlx5 ODP MR handling generates CQE completion queue entries with error status.
- Who is affected
- Linux systems using Mellanox mlx5 RDMA driver with On-Demand Paging.
- Urgency
- Medium priority; unexloited race condition affecting RDMA reliability.
- Action
- Apply kernel patches serializing ODP MR resource access.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2025-21732: RDMA/mlx5: Fix a race for an ODP MR which leads to CQE with errormsrc · 2026-08-06
External references
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