CVE-2026-80720 (GCVE-0-2026-80720)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:53 – Updated: 2026-08-28 06:53
VLAI
Title
iomap: add a separate bio_set for iomap_split_ioend
Summary
In the Linux kernel, the following vulnerability has been resolved: iomap: add a separate bio_set for iomap_split_ioend iomap_split_ioend can split bios that already come from iomap_ioend_bioset and thus deadlock when the bioset is exhausted. Add a separate bio_set to avoid this deadlock. Christian Brauner <brauner@kernel.org> says: Mark iomap_ioend_split_bioset static as it is only used in ioend.c, fixing the sparse warning reported by the kernel test robot.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5fcbd555d48390a8c819ba7fdf55fbfcabe05c80 , < cfc686a1174aa904dcad9b9a7c5e46b484d27e4e (git)
Affected: 5fcbd555d48390a8c819ba7fdf55fbfcabe05c80 , < 4a869be56e9f6ce7462abcf324ebdefc5de051be (git)
Affected: 5fcbd555d48390a8c819ba7fdf55fbfcabe05c80 , < c679ce3be6cb63763d68ab9b5d9d73ddc0a40762 (git)
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Linux Linux Affected: 6.15
Unaffected: 0 , < 6.15 (semver)
Unaffected: 6.18.44 , ≤ 6.18.* (semver)
Unaffected: 7.1.8 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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          "programFiles": [
            "fs/iomap/ioend.c"
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              ],
              "negate": false,
              "operator": "OR"
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          ]
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niomap: add a separate bio_set for iomap_split_ioend\n\niomap_split_ioend can split bios that already come from\niomap_ioend_bioset and thus deadlock when the bioset is exhausted.\n\nAdd a separate bio_set to avoid this deadlock.\n\nChristian Brauner \u003cbrauner@kernel.org\u003e says:\nMark iomap_ioend_split_bioset static as it is only used in ioend.c,\nfixing the sparse warning reported by the kernel test robot."
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      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:53:16.683Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "iomap: add a separate bio_set for iomap_split_ioend",
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    "cveId": "CVE-2026-80720",
    "datePublished": "2026-08-28T06:53:16.683Z",
    "dateReserved": "2026-08-26T14:34:25.788Z",
    "dateUpdated": "2026-08-28T06:53:16.683Z",
    "state": "PUBLISHED"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.