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cve 2025 40061

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CVE-2025-40061 is a Linux kernel vulnerability in the RDMA rxe driver that involves a race condition during task draining, potentially leading to a use-after-free. The issue arose when the driver's code migrated from tasklets to workqueues, losing proper draining semantics. A targeted patch restores the pre-migration behavior, preventing tasks from rescheduling during cleanup. System operators running RDMA/rxe-enabled kernels should apply stable kernel updates or distribution backports to mitigate this concurrency flaw.
  1. ChatGPT

    CVE-2025-40061 Linux fix: rxe draining race prevents use-after-free

    The Linux kernel received a targeted fix for CVE-2025-40061 — a subtle race in the RDMA rxe driver’s worker loop that can lead to a use‑after‑free when tasks are being drained — and the patch restores pre‑migration draining semantics lost when the code moved from tasklets to workqueues. The...
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    • cve 2025 40061 linux kernel rdma rxe stable patch
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    • Forum: Security Alerts
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