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CVE-2026-43168

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec ("ocfs2: fix xattr array entry __counted_by error") doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be shifted by one unit after cleanup an array entry. - current code logic doesn't cleanup the first entry when xh_count is 1. Note, commit c06c303832ec is also a bug fix for 0fe9b66c65f3.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-05-06 12:16:35.060000
Last modified
2026-11-06 16:18:26.940000
View original CVE JSON
{
  "id": "CVE-2026-43168",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-05-06T12:16:35.060",
  "lastModified": "2026-11-06T16:18:26.940",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix reflink preserve cleanup issue\n\ncommit c06c303832ec (\"ocfs2: fix xattr array entry __counted_by error\")\ndoesn't handle all cases and the cleanup job for preserved xattr entries\nstill has bug:\n- the 'last' pointer should be shifted by one unit after cleanup\n  an array entry.\n- current code logic doesn't cleanup the first entry when xh_count is 1.\n\nNote, commit c06c303832ec is also a bug fix for 0fe9b66c65f3."
    }
  ],
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          "defaultStatus": "unaffected",
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            "fs/ocfs2/xattr.c"
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              "versionType": "original_commit_for_fix",
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  ],
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 1.8,
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        "ssvcData": {
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          "role": "CISA Coordinator",
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  "weaknesses": [
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      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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