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.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c090c8abae4b6b77a1bee116aa6c385456ebef96 , < b79938863f436960eff209130f025c4bd3026bf8 (git)
Affected: c090c8abae4b6b77a1bee116aa6c385456ebef96 , < 6e0d7f7f4a43ac8868e98c87ecf48805aa8c24dd (git)
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    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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          "product": "Linux",
          "programFiles": [
            "fs/fuse/dev.c",
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            "fs/fuse/fuse_dev_i.h"
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      ],
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          "nodes": [
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                  "versionStartIncluding": "6.14",
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      "descriptions": [
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          "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"
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      ],
      "title": "fuse: missing copy_finish in fuse-over-io-uring argument copies",
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  "cveMetadata": {
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    "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"
  },
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  "dataVersion": "5.2"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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