{"api_version":"1","generated_at":"2026-08-02T13:38:15+00:00","cve":"CVE-2026-64261","urls":{"html":"https://cve.report/CVE-2026-64261","api":"https://cve.report/api/cve/CVE-2026-64261.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64261","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64261"},"summary":{"title":"fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues\n\nfuse_uring_async_stop_queues() might run when the last reference\non ring->queue_refs was already dropped.\n\nIn order to avoid an early destruction a reference on struct fuse_conn\nis now taken before starting fuse_uring_async_stop_queues() and that\nreference is only released when that delayed work queue terminates.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 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the Linux kernel, the following vulnerability has been resolved:\n\nfuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues\n\nfuse_uring_async_stop_queues() might run when the last reference\non ring->queue_refs was already dropped.\n\nIn order to avoid an early destruction a reference on struct fuse_conn\nis now taken before starting fuse_uring_async_stop_queues() and that\nreference is only released when that delayed work queue terminates."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-27T04:59:14.752Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/23a356e0bd96c8d5fb3ddff069f692bf10cab5c1"},{"url":"https://git.kernel.org/stable/c/95d7f50aff2a5f71557263ff25b97b2951f32bf8"},{"url":"https://git.kernel.org/stable/c/d351da75066955144515cb2f9aa959f24a04287a"}],"title":"fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64261","datePublished":"2026-07-25T08:49:11.999Z","dateReserved":"2026-07-19T15:36:31.774Z","dateUpdated":"2026-07-27T04:59:14.752Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:06","lastModifiedDate":"2026-07-30 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ring->queue_refs was already dropped.\n\nIn order to avoid an early destruction a reference on struct fuse_conn\nis now taken before starting fuse_uring_async_stop_queues() and that\nreference is only released when that delayed work queue terminates.","Type":"Description","Title":"fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues"}]}}}