github - ghsa-p9vw-f8rg-c624

ghsa-p9vw-f8rg-c624

Vulnerability from github

Published

2025-01-21 15:31

Modified

2025-02-28 21:32

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

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

exfat: fix the new buffer was not zeroed before writing

Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written.

So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().

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{
  "affected": [],
  "aliases": [
    "CVE-2024-57943"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-824"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-21T13:15:08Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix the new buffer was not zeroed before writing\n\nBefore writing, if a buffer_head marked as new, its data must\nbe zeroed, otherwise uninitialized data in the page cache will\nbe written.\n\nSo this commit uses folio_zero_new_buffers() to zero the new\nbuffers before -\u003ewrite_end().",
  "id": "GHSA-p9vw-f8rg-c624",
  "modified": "2025-02-28T21:32:14Z",
  "published": "2025-01-21T15:31:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-57943"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/942c6f91ab8d82a41650e717940b4e577173762f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/98e2fb26d1a9eafe79f46d15d54e68e014d81d8c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-57943 (GCVE-0-2024-57943)

Vulnerability from cvelistv5

Published

2025-01-21 12:18

Modified

2025-10-01 19:57

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().

References

URL

Tags

	https://git.kernel.org/stable/c/942c6f91ab8d82a41650e717940b4e577173762f
	https://git.kernel.org/stable/c/98e2fb26d1a9eafe79f46d15d54e68e014d81d8c

Impacted products

Vendor

Product

Version

Version: 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5
Version: 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5

Version: 6.12

Show details on NVD website

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        "metrics": [
          {
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              "attackVector": "LOCAL",
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              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-57943",
                "options": [
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T10:07:11.213Z",
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    "dateReserved": "2025-01-19T11:50:08.378Z",
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}

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