Threats Tagged 'ubuntu-cve-2025-22068'
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Threats Tagged 'ubuntu-cve-2025-22068'
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In the Linux kernel, the following vulnerability has been resolved: ublk: make sure ubq->canceling is set when queue is frozen Now ublk driver depends on `ubq->canceling` for deciding if the request can be dispatched via uring_cmd & io_uring_cmd_complete_in_task(). Once ubq->canceling is set, the uring_cmd can be done via ublk_cancel_cmd() and io_uring_cmd_done(). So set ubq->canceling when queue is frozen, this way makes sure that the flag can be observed from ublk_queue_rq() reliably, and avoids use-after-free on uring_cmd. Join the discussion | GCVE Database | 04/16/2025, 15:16:00 UTC Added: 06/25/2026, 21:47:16 UTC |
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