{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: split transactions in dio completion to avoid credit exhaustion\n\nDuring ocfs2 dio operations, JBD2 may report warnings via following\ncall trace:\nocfs2_dio_end_io_write\n ocfs2_mark_extent_written\n  ocfs2_change_extent_flag\n   ocfs2_split_extent\n    ocfs2_try_to_merge_extent\n     ocfs2_extend_rotate_transaction\n      ocfs2_extend_trans\n       jbd2__journal_restart\n        start_this_handle\n         output: JBD2: kworker/6:2 wants too many credits credits:5450 rsv_credits:0 max:5449\n\nTo prevent exceeding the credits limit, modify ocfs2_dio_end_io_write() to\nhandle extents in a batch of transaction.\n\nAdditionally, relocate ocfs2_del_inode_from_orphan().  The orphan inode\nshould only be removed from the orphan list after the extent tree update\nis complete.  This ensures that if a crash occurs in the middle of extent\ntree updates, we won\u0027t leave stale blocks beyond EOF.\n\nThis patch also changes the logic for updating the inode size and removing\norphan, making it similar to ext4_dio_write_end_io().  Both operations are\nperformed only when everything looks good.\n\nFinally, thanks to Jans and Joseph for providing the bug fix prototype and\nsuggestions."
    }
  ],
  "id": "CVE-2026-46080",
  "lastModified": "2026-05-27T14:48:03.013",
  "metrics": {},
  "published": "2026-05-27T14:17:29.397",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/069c3fb310e9336cf48cfdf8748a32c29fd0193d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3c636a3edca9c3f180b3079f94fe7e115730d9c6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/886f97fa59d0bbfa9859fb1a66dd9e014b522d89"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d647c5b2fbf81560818dacade360abc8c00a9665"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ea5bb1d20da756e4f41a48dad42b2e7d6e73f71e"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-46080"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-27T14:17:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: split transactions in dio completion to avoid credit exhaustion\n\nDuring ocfs2 dio operations, JBD2 may report warnings via following\ncall trace:\nocfs2_dio_end_io_write\n ocfs2_mark_extent_written\n  ocfs2_change_extent_flag\n   ocfs2_split_extent\n    ocfs2_try_to_merge_extent\n     ocfs2_extend_rotate_transaction\n      ocfs2_extend_trans\n       jbd2__journal_restart\n        start_this_handle\n         output: JBD2: kworker/6:2 wants too many credits credits:5450 rsv_credits:0 max:5449\n\nTo prevent exceeding the credits limit, modify ocfs2_dio_end_io_write() to\nhandle extents in a batch of transaction.\n\nAdditionally, relocate ocfs2_del_inode_from_orphan().  The orphan inode\nshould only be removed from the orphan list after the extent tree update\nis complete.  This ensures that if a crash occurs in the middle of extent\ntree updates, we won\u0027t leave stale blocks beyond EOF.\n\nThis patch also changes the logic for updating the inode size and removing\norphan, making it similar to ext4_dio_write_end_io().  Both operations are\nperformed only when everything looks good.\n\nFinally, thanks to Jans and Joseph for providing the bug fix prototype and\nsuggestions.",
  "id": "GHSA-8mmh-cvrq-r3x6",
  "modified": "2026-05-27T15:33:23Z",
  "published": "2026-05-27T15:33:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46080"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/069c3fb310e9336cf48cfdf8748a32c29fd0193d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c636a3edca9c3f180b3079f94fe7e115730d9c6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/886f97fa59d0bbfa9859fb1a66dd9e014b522d89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d647c5b2fbf81560818dacade360abc8c00a9665"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea5bb1d20da756e4f41a48dad42b2e7d6e73f71e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-46080 ocfs2: split transactions in dio completion to avoid credit exhaustion - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46080.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "ocfs2: split transactions in dio completion to avoid credit exhaustion",
    "tracking": {
      "current_release_date": "2026-05-29T01:43:13.000Z",
      "generator": {
        "date": "2026-05-29T07:23:45.789Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-46080",
      "initial_release_date": "2026-05-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-05-28T01:04:04.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-05-28T14:46:48.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2026-05-29T01:43:13.000Z",
          "legacy_version": "2",
          "number": "3",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                "product": {
                  "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "kernel"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kernel 0:6.6.139.1-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-46080",
      "notes": [
        {
          "category": "general",
          "text": "Linux",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-46080 ocfs2: split transactions in dio completion to avoid credit exhaustion - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46080.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-05-28T01:04:04.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "title": "ocfs2: split transactions in dio completion to avoid credit exhaustion"
    }
  ]
}