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{"bugzilla": {"description": "kernel: io_uring: fix possible deadlock in io_register_iowq_max_workers()", "id": "2300457", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300457"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nio_uring: fix possible deadlock in io_register_iowq_max_workers()\nThe io_register_iowq_max_workers() function calls io_put_sq_data(),\nwhich acquires the sqd->lock without releasing the uring_lock.\nSimilar to the commit 009ad9f0c6ee (\"io_uring: drop ctx->uring_lock\nbefore acquiring sqd->lock\"), this can lead to a potential deadlock\nsituation.\nTo resolve this issue, the uring_lock is released before calling\nio_put_sq_data(), and then it is re-acquired after the function call.\nThis change ensures that the locks are acquired in the correct\norder, preventing the possibility of a deadlock."], "name": "CVE-2024-41080", "public_date": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41080"], "threat_severity": "Low"}