{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4a9bfb9b6850fec0685447aed280533cf980de70"
            },
            {
              "fixed": "23a356e0bd96c8d5fb3ddff069f692bf10cab5c1"
            },
            {
              "fixed": "95d7f50aff2a5f71557263ff25b97b2951f32bf8"
            },
            {
              "fixed": "d351da75066955144515cb2f9aa959f24a04287a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.14.0"
            },
            {
              "fixed": "6.18.39"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64261.json"
  },
  "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.",
  "id": "CVE-2026-64261",
  "modified": "2026-08-18T03:30:53.014185642Z",
  "published": "2026-07-25T08:49:11.999Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues"
}