ghsa-hhmc-3cvv-pmfw
Vulnerability from github
Published
2025-09-16 15:32
Modified
2025-09-16 15:32
Details

In the Linux kernel, the following vulnerability has been resolved:

md/raid10: fix leak of 'r10bio->remaining' for recovery

raid10_sync_request() will add 'r10bio->remaining' for both rdev and replacement rdev. However, if the read io fails, recovery_request_write() returns without issuing the write io, in this case, end_sync_request() is only called once and 'remaining' is leaked, cause an io hang.

Fix the problem by decreasing 'remaining' according to if 'bio' and 'repl_bio' is valid.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53299"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-16T08:15:39Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix leak of \u0027r10bio-\u003eremaining\u0027 for recovery\n\nraid10_sync_request() will add \u0027r10bio-\u003eremaining\u0027 for both rdev and\nreplacement rdev. However, if the read io fails, recovery_request_write()\nreturns without issuing the write io, in this case, end_sync_request()\nis only called once and \u0027remaining\u0027 is leaked, cause an io hang.\n\nFix the problem by decreasing \u0027remaining\u0027 according to if \u0027bio\u0027 and\n\u0027repl_bio\u0027 is valid.",
  "id": "GHSA-hhmc-3cvv-pmfw",
  "modified": "2025-09-16T15:32:33Z",
  "published": "2025-09-16T15:32:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53299"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11141630f03efffdfe260b3582b2d93d38171b97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1697fb124c6d6c5237e9cbd78890310154738084"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d2c6c6e37fe5de11fd01a82badf03390e12df7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26208a7cffd0c7cbf14237ccd20c7270b3ffeb7e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3481dec5ecbbbbe44ab23e22c2b14bd65c644ec6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f82e7e07cdaf2947d71968e3d6b73370a217093"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c5d5d7ffd1e76734811b8ea5417cf0432b9952c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d09065802c53cc938d162b62f6c4150b392c90e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb827ed2bb34480dc102146d3a1f89fdbcafc028"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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