{"id":"CVE-2026-64261","title":"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 dropp…","summary":"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 dropp…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","published":"2026-07-25","updated":"2026-07-27","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-64261","references":[{"url":"https://git.kernel.org/stable/c/23a356e0bd96c8d5fb3ddff069f692bf10cab5c1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/95d7f50aff2a5f71557263ff25b97b2951f32bf8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d351da75066955144515cb2f9aa959f24a04287a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00157,"epssPercentile":0.05274,"ingestedAt":"2026-07-27T06:16:49.644Z","slug":"CVE-2026-64261","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}