CVE-2026-45974 (GCVE-0-2026-45974)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:18 – Updated: 2026-05-27 12:18
VLAI
Title
btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found If btrfs_search_slot_for_read() returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the tree and therefore the path is not valid. If this happens we need to break out of the loop and stop, instead of continuing and accessing an invalid path.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < 023545e272f369d487e6a986c1e321c6e04be1da (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < fd4913a53e3b54ad7e161847291439fe445d6356 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < b5b8ade9da452086e78f5d519b90d3769e354853 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < 1ee1d006c9fe4d6be5527ab1c84216b80cccbe40 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < 0761447f6f51e1c7997960d8e6559337deed6729 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < d7cf2314dd5e8661c05d076cd627eea9a7f76616 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < b2bd557b75b760e4b9d209112bda19314bd64558 (git)
Affected: 5223cc60b40ae525ae6c94e98824129f1a5b4ae5 , < ecb7c2484cfc83a93658907580035a8adf1e0a92 (git)
Affected: ecce1be9f2a366990d0e75dd249fb324e83c34a9 (git)
Affected: 5.9.7 , < 5.10 (semver)
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Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.252 , ≤ 5.10.* (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.14 , ≤ 6.18.* (semver)
Unaffected: 6.19.4 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "fs/btrfs/qgroup.c"
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:18:33.107Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-05-27T12:18:33.107Z",
    "dateReserved": "2026-05-13T15:03:33.090Z",
    "dateUpdated": "2026-05-27T12:18:33.107Z",
    "state": "PUBLISHED"
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      "date": "2026-05-29",
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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.

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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.


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