{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64261", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.774Z", "datePublished": "2026-07-25T08:49:11.999Z", "dateUpdated": "2026-07-25T08:49:11.999Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:49:11.999Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/fuse/dev_uring.c"], "versions": [{"version": "4a9bfb9b6850fec0685447aed280533cf980de70", "lessThan": "23a356e0bd96c8d5fb3ddff069f692bf10cab5c1", "status": "affected", "versionType": "git"}, {"version": "4a9bfb9b6850fec0685447aed280533cf980de70", "lessThan": "95d7f50aff2a5f71557263ff25b97b2951f32bf8", "status": "affected", "versionType": "git"}, {"version": "4a9bfb9b6850fec0685447aed280533cf980de70", "lessThan": "d351da75066955144515cb2f9aa959f24a04287a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/fuse/dev_uring.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2-rc1"}]}]}], "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"}}}}

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