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CVE-2025-68791 (GCVE-0-2025-68791)

Vulnerability from cvelistv5 – Published: 2026-01-13 15:29 – Updated: 2026-05-11 21:53
VLAI
Title
fuse: missing copy_finish in fuse-over-io-uring argument copies
Summary
In the Linux kernel, the following vulnerability has been resolved: fuse: missing copy_finish in fuse-over-io-uring argument copies Fix a possible reference count leak of payload pages during fuse argument copies. [Joanne: simplified error cleanup]
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c090c8abae4b6b77a1bee116aa6c385456ebef96 , < b79938863f436960eff209130f025c4bd3026bf8 (git)
Affected: c090c8abae4b6b77a1bee116aa6c385456ebef96 , < 6e0d7f7f4a43ac8868e98c87ecf48805aa8c24dd (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/fuse/dev.c",
            "fs/fuse/dev_uring.c",
            "fs/fuse/fuse_dev_i.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "c090c8abae4b6b77a1bee116aa6c385456ebef96",
              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
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            "fs/fuse/dev_uring.c",
            "fs/fuse/fuse_dev_i.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.3",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: missing copy_finish in fuse-over-io-uring argument copies\n\nFix a possible reference count leak of payload pages during\nfuse argument copies.\n\n[Joanne: simplified error cleanup]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:53:24.493Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b79938863f436960eff209130f025c4bd3026bf8"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e0d7f7f4a43ac8868e98c87ecf48805aa8c24dd"
        }
      ],
      "title": "fuse: missing copy_finish in fuse-over-io-uring argument copies",
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68791",
    "datePublished": "2026-01-13T15:29:03.553Z",
    "dateReserved": "2025-12-24T10:30:51.037Z",
    "dateUpdated": "2026-05-11T21:53:24.493Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-68791",
      "date": "2026-09-17",
      "epss": "0.00182",
      "percentile": "0.08057"
    },
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:11:18+00:00",
      "cve": "CVE-2025-68791",
      "id": "CVE-2025-68791",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "260",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: fuse: missing copy_finish in fuse-over-io-uring argument copies",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68791.json",
      "version": "3"
    }
  }
}



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