{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/fuse/dev_uring.c"
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              "version": "7.1.4",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
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        }
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      "cpeApplicability": [
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        {
          "lang": "en",
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            "version": "3.1"
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            {
              "lang": "en",
              "value": "AV:L - The flaw is reached locally by submitting IORING_OP_URING_CMD/FUSE_IO_URING_CMD_COMMIT_AND_FETCH operations on an attached /dev/fuse descriptor.\nAC:L - Once FUSE-over-io-uring is enabled, the attacker controls both race participants by issuing commit SQEs while concurrently aborting or unmounting the connection.\nPR:L - An ordinary user can create a FUSE mount through FS_USERNS_MOUNT and user namespaces, submit commands through /dev/fuse, and access the user-owned fusectl abort control without init-namespace capabilities.\nUI:N - The attacker can create the mount, generate FUSE requests, submit commits, and trigger teardown without another user\u0027s participation.\nS:U - This is a standard local kernel privilege-escalation condition within the kernel\u0027s security authority, not a guest-to-host or IOMMU boundary escape.\nC:H - The race causes a fuse_req use-after-free and double-end with stale list, pointer, and refcount accesses, which can be leveraged to disclose arbitrary kernel memory.\nI:H - Teardown writes through stale list pointers, flags, error fields, and refcounts and can corrupt or double-free a reallocated fuse_req, enabling arbitrary kernel writes or control-flow hijacking.\nA:H - The use-after-free, list corruption, and double-ending of requests can cause an oops, panic, deadlock, or complete system compromise."
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      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:52:13.575Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/4021a3a79eee551d95fe1e1e7c1b195d34ba8c08"
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        {
          "url": "https://git.kernel.org/stable/c/b70a3aca16934c196f92abb17b01c1647b9bb63c"
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      ],
      "title": "fuse-uring: Avoid queue-\u003estopped races and set/read that value under lock",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-64260",
    "datePublished": "2026-07-25T08:49:11.395Z",
    "dateReserved": "2026-07-19T15:36:31.774Z",
    "dateUpdated": "2026-08-17T04:52:13.575Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-12",
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-08-05T14:05:53+00:00",
      "cve": "CVE-2026-64260",
      "id": "CVE-2026-64260",
      "initial_release_date": "2026-07-25T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: fuse-uring: Avoid queue-\u003estopped races and set/read that value under lock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64260.json",
      "version": "3"
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    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-17T16:40:31Z",
      "cve": "CVE-2026-64260",
      "id": "CVE-2026-64260",
      "initial_release_date": "2026-07-25T16:47:07Z",
      "product_status:known_not_affected": "298",
      "product_status:recommended": "4",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-64260",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-64260.json",
      "version": "4"
    }
  }
}