github - ghsa-mr68-gqxj-cfm9

ghsa-mr68-gqxj-cfm9

Vulnerability from github

Published

2025-08-16 15:30

Modified

2025-08-16 15:30

Details

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

ksmbd: fix out-of-bound read in smb2_write

ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-3865"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-16T14:15:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix out-of-bound read in smb2_write\n\nksmbd_smb2_check_message doesn\u0027t validate hdr-\u003eNextCommand. If\n-\u003eNextCommand is bigger than Offset + Length of smb2 write, It will\nallow oversized smb2 write length. It will cause OOB read in smb2_write.",
  "id": "GHSA-mr68-gqxj-cfm9",
  "modified": "2025-08-16T15:30:30Z",
  "published": "2025-08-16T15:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3865"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3813eee5154d6a4c5875cb4444cb2b63bac8947f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58a9c41064df27632e780c5a3ae3e0e4284957d1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-3865 (GCVE-0-2023-3865)

Vulnerability from cvelistv5

Published

2025-08-16 13:27

Modified

2025-08-19 05:47

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2_write ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.

References

URL

Tags

	https://git.kernel.org/stable/c/3813eee5154d6a4c5875cb4444cb2b63bac8947f
	https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231b
	https://git.kernel.org/stable/c/58a9c41064df27632e780c5a3ae3e0e4284957d1
	https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1

Impacted products

Vendor

Product

Version

Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf

Version: 5.15

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/smb2misc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
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              "versionType": "git"
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            {
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          ]
        },
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            },
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix out-of-bound read in smb2_write\n\nksmbd_smb2_check_message doesn\u0027t validate hdr-\u003eNextCommand. If\n-\u003eNextCommand is bigger than Offset + Length of smb2 write, It will\nallow oversized smb2 write length. It will cause OOB read in smb2_write."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-19T05:47:12.083Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/3813eee5154d6a4c5875cb4444cb2b63bac8947f"
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          "url": "https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231b"
        },
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        {
          "url": "https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-3865",
    "datePublished": "2025-08-16T13:27:56.403Z",
    "dateReserved": "2023-07-24T14:52:38.053Z",
    "dateUpdated": "2025-08-19T05:47:12.083Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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