CVE-2026-80529 (GCVE-0-2026-80529)

Vulnerability from cvelistv5 – Published: 2026-08-26 14:37 – Updated: 2026-08-26 14:37
VLAI
Title
xfs: don't swallow dquot recovery verification errors
Summary
In the Linux kernel, the following vulnerability has been resolved: xfs: don't swallow dquot recovery verification errors xlog_recover_dquot_commit_pass2() validates the recovered dquot with xfs_dqblk_verify() and, on failure, sets error = -EFSCORRUPTED and jumps to out_release. But out_release unconditionally returns 0, so the corruption error is discarded: the caller xlog_recover_items_pass2() sees success, log recovery proceeds as if the dquot were valid, and the corrupt quota buffer can be written back to disk.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7880b1f0adef4d363f42d6bb42aab3211291351b , < e506e127fcb4e2bad1045805f1740b395eea9618 (git)
Affected: 3581868f51a2edb027a898988b5b5a4ba379ee55 , < 5b756fbb60b5d26063f46a11a3c7daa7eb616d79 (git)
Affected: 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 , < a233b3362a3c7bf23f5143b4ef4b17ec337fcb4d (git)
Affected: 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 , < 38a4dbe588bd028a07a77dc5cee62ee3ce21e87d (git)
Affected: 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 , < 36a31b12540c0a0a3b77a01fda86de646f2961fb (git)
Affected: 9c235dfc3d3f901fe22acb20f2ab37ff39f2ce02 , < e2b4a856085e9bd939bde2dee0d08b1d41babde9 (git)
Affected: 6.1.128 , < 6.1.184 (semver)
Affected: 6.6.17 , < 6.6.153 (semver)
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Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.1.184 , ≤ 6.1.* (semver)
Unaffected: 6.6.153 , ≤ 6.6.* (semver)
Unaffected: 6.12.105 , ≤ 6.12.* (semver)
Unaffected: 6.18.46 , ≤ 6.18.* (semver)
Unaffected: 7.1.10 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/xfs/xfs_dquot_item_recover.c"
          ],
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            {
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              "versionType": "semver"
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              "version": "7.1.10",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don\u0027t swallow dquot recovery verification errors\n\nxlog_recover_dquot_commit_pass2() validates the recovered dquot with\nxfs_dqblk_verify() and, on failure, sets error = -EFSCORRUPTED and jumps\nto out_release.  But out_release unconditionally returns 0, so the\ncorruption error is discarded: the caller xlog_recover_items_pass2()\nsees success, log recovery proceeds as if the dquot were valid, and the\ncorrupt quota buffer can be written back to disk."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T14:37:07.390Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e506e127fcb4e2bad1045805f1740b395eea9618"
        },
        {
          "url": "https://git.kernel.org/stable/c/5b756fbb60b5d26063f46a11a3c7daa7eb616d79"
        },
        {
          "url": "https://git.kernel.org/stable/c/a233b3362a3c7bf23f5143b4ef4b17ec337fcb4d"
        },
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          "url": "https://git.kernel.org/stable/c/38a4dbe588bd028a07a77dc5cee62ee3ce21e87d"
        },
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        {
          "url": "https://git.kernel.org/stable/c/e2b4a856085e9bd939bde2dee0d08b1d41babde9"
        }
      ],
      "title": "xfs: don\u0027t swallow dquot recovery verification errors",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80529",
    "datePublished": "2026-08-26T14:37:07.390Z",
    "dateReserved": "2026-08-26T14:34:25.764Z",
    "dateUpdated": "2026-08-26T14:37:07.390Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-80529",
      "date": "2026-09-01",
      "epss": "0.00172",
      "percentile": "0.06782"
    },
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-01T10:38:20+00:00",
      "cve": "CVE-2026-80529",
      "id": "CVE-2026-80529",
      "initial_release_date": "2026-08-26T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: xfs: don\u0027t swallow dquot recovery verification errors",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80529.json",
      "version": "3"
    }
  }
}



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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.