{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4a9bfb9b6850fec0685447aed280533cf980de70"
            },
            {
              "fixed": "39c8e925b207afceffaa5382416ed405e0223a03"
            },
            {
              "fixed": "4021a3a79eee551d95fe1e1e7c1b195d34ba8c08"
            },
            {
              "fixed": "b70a3aca16934c196f92abb17b01c1647b9bb63c"
            }
          ],
          "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-2026-64260.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfuse-uring: Avoid queue-\u003estopped races and set/read that value under lock\n\nThere are several readers of queue-\u003estopped that check the value\nunder lock, but fuse_uring_commit_fetch() did not and actually\nthe value was not set under the lock in fuse_uring_abort_end_requests()\neither. Especially in fuse_uring_commit_fetch it is important\nto check under a lock, because due to races 'struct fuse_req'\nmight be freed with fuse_request_end, but another thread/cpu\nmight already do teardown work.",
  "id": "CVE-2026-64260",
  "modified": "2026-07-28T03:55:39.882264827Z",
  "published": "2026-07-25T08:49:11.395Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39c8e925b207afceffaa5382416ed405e0223a03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4021a3a79eee551d95fe1e1e7c1b195d34ba8c08"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b70a3aca16934c196f92abb17b01c1647b9bb63c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64260.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64260"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "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 queue-\u003estopped races and set/read that value under lock"
}