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().

Show details on source website

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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

2025-05-04 10:07

Severity ?

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

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "942c6f91ab8d82a41650e717940b4e577173762f",
              "status": "affected",
              "version": "6630ea49103c3d45461e29b0f6eb0ce750aeb8f5",
              "versionType": "git"
            },
            {
              "lessThan": "98e2fb26d1a9eafe79f46d15d54e68e014d81d8c",
              "status": "affected",
              "version": "6630ea49103c3d45461e29b0f6eb0ce750aeb8f5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/exfat/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.10",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T10:07:11.213Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/942c6f91ab8d82a41650e717940b4e577173762f"
        },
        {
          "url": "https://git.kernel.org/stable/c/98e2fb26d1a9eafe79f46d15d54e68e014d81d8c"
        }
      ],
      "title": "exfat: fix the new buffer was not zeroed before writing",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-57943",
    "datePublished": "2025-01-21T12:18:11.195Z",
    "dateReserved": "2025-01-19T11:50:08.378Z",
    "dateUpdated": "2025-05-04T10:07:11.213Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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