github - ghsa-xr9r-hxj6-96p6

ghsa-xr9r-hxj6-96p6

Vulnerability from github

Published

2025-06-18 12:30

Modified

2025-06-18 12:30

Details

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

cifs: fix small mempool leak in SMB2_negotiate()

In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49938"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:20Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix small mempool leak in SMB2_negotiate()\n\nIn some cases of failure (dialect mismatches) in SMB2_negotiate(), after\nthe request is sent, the checks would return -EIO when they should be\nrather setting rc = -EIO and jumping to neg_exit to free the response\nbuffer from mempool.",
  "id": "GHSA-xr9r-hxj6-96p6",
  "modified": "2025-06-18T12:30:35Z",
  "published": "2025-06-18T12:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49938"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/38a6b469bf22f153282fbe7d702a24e9eb43f50e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-49938 (GCVE-0-2022-49938)

Vulnerability from cvelistv5

Published

2025-06-18 10:54

Modified

2025-06-18 10:54

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: fix small mempool leak in SMB2_negotiate() In some cases of failure (dialect mismatches) in SMB2_negotiate(), after the request is sent, the checks would return -EIO when they should be rather setting rc = -EIO and jumping to neg_exit to free the response buffer from mempool.

References

URL

Tags

	https://git.kernel.org/stable/c/9e3c9efa7caf16e5acc05eab5e4d0a714e1610b0
	https://git.kernel.org/stable/c/38a6b469bf22f153282fbe7d702a24e9eb43f50e
	https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0

Impacted products

Vendor

Product

Version

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "38a6b469bf22f153282fbe7d702a24e9eb43f50e",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
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              "versionType": "git"
            }
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        },
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          "vendor": "Linux",
          "versions": [
            {
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              "status": "unaffected",
              "version": "5.15.66",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.19.8",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.66",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "5.19.8",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix small mempool leak in SMB2_negotiate()\n\nIn some cases of failure (dialect mismatches) in SMB2_negotiate(), after\nthe request is sent, the checks would return -EIO when they should be\nrather setting rc = -EIO and jumping to neg_exit to free the response\nbuffer from mempool."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T10:54:39.458Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/27893dfc1285f80f80f46b3b8c95f5d15d2e66d0"
        }
      ],
      "title": "cifs: fix small mempool leak in SMB2_negotiate()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49938",
    "datePublished": "2025-06-18T10:54:39.458Z",
    "dateReserved": "2025-05-01T14:05:17.255Z",
    "dateUpdated": "2025-06-18T10:54:39.458Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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