{"id":"CVE-2026-64261","summary":"fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues","details":"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-\u003equeue_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.","modified":"2026-08-18T03:30:53.014185642Z","published":"2026-07-25T08:49:11.999Z","related":["CGA-vp5g-99rf-p8h5","openSUSE-SU-2026:11476-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64261.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/23a356e0bd96c8d5fb3ddff069f692bf10cab5c1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/95d7f50aff2a5f71557263ff25b97b2951f32bf8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d351da75066955144515cb2f9aa959f24a04287a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64261.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64261"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4a9bfb9b6850fec0685447aed280533cf980de70"},{"fixed":"23a356e0bd96c8d5fb3ddff069f692bf10cab5c1"},{"fixed":"95d7f50aff2a5f71557263ff25b97b2951f32bf8"},{"fixed":"d351da75066955144515cb2f9aa959f24a04287a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64261.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64261.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}