gsd-2023-52437
Vulnerability from gsd
Modified
2024-02-21 06:01
Details
In the Linux kernel, the following vulnerability has been resolved: Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d" This reverts commit 5e2cf333b7bd5d3e62595a44d598a254c697cd74. That commit introduced the following race and can cause system hung. md_write_start: raid5d: // mddev->in_sync == 1 set "MD_SB_CHANGE_PENDING" // running before md_write_start wakeup it waiting "MD_SB_CHANGE_PENDING" cleared >>>>>>>>> hung wakeup mddev->thread ... waiting "MD_SB_CHANGE_PENDING" cleared >>>> hung, raid5d should clear this flag but get hung by same flag. The issue reverted commit fixing is fixed by last patch in a new way.
Aliases



{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-52437"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d\"\n\nThis reverts commit 5e2cf333b7bd5d3e62595a44d598a254c697cd74.\n\nThat commit introduced the following race and can cause system hung.\n\n md_write_start:             raid5d:\n // mddev-\u003ein_sync == 1\n set \"MD_SB_CHANGE_PENDING\"\n                            // running before md_write_start wakeup it\n                             waiting \"MD_SB_CHANGE_PENDING\" cleared\n                             \u003e\u003e\u003e\u003e\u003e\u003e\u003e\u003e\u003e hung\n wakeup mddev-\u003ethread\n ...\n waiting \"MD_SB_CHANGE_PENDING\" cleared\n \u003e\u003e\u003e\u003e hung, raid5d should clear this flag\n but get hung by same flag.\n\nThe issue reverted commit fixing is fixed by last patch in a new way.",
      "id": "GSD-2023-52437",
      "modified": "2024-02-21T06:01:53.316473Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2023-52437",
        "STATE": "REJECT"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** REJECT ** This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."
          }
        ],
        "id": "CVE-2023-52437",
        "lastModified": "2024-02-22T13:15:08.020",
        "metrics": {},
        "published": "2024-02-20T21:15:08.107",
        "references": [],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Rejected"
      }
    }
  }
}


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