github - ghsa-2wc2-77r7-4pm8

GHSA-2WC2-77R7-4PM8

Vulnerability from github – Published: 2022-12-23 18:30 – Updated: 2025-04-15 15:30

Details

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-47941"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-12-23T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.",
  "id": "GHSA-2wc2-77r7-4pm8",
  "modified": "2025-04-15T15:30:40Z",
  "published": "2022-12-23T18:30:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-47941"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1687"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/12/23/10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-47941 (GCVE-0-2022-47941)

Vulnerability from cvelistv5 – Published: 2022-12-23 00:00 – Updated: 2025-04-15 13:59

Summary

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

Assigner

mitre

References

URL

Tags

	https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…
	https://github.com/torvalds/linux/commit/aa7253c2…
	https://git.kernel.org/cgit/linux/kernel/git/torv…
	http://www.openwall.com/lists/oss-security/2022/1…
	https://www.zerodayinitiative.com/advisories/ZDI-…

Show details on NVD website

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:02:36.543Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
          },
          {
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            ],
            "url": "https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917"
          },
          {
            "tags": [
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            ],
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917"
          },
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            "tags": [
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            "url": "http://www.openwall.com/lists/oss-security/2022/12/23/10"
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            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1687/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
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                "options": [
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                    "Exploitation": "none"
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                  {
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-15T13:58:23.061788Z",
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              },
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          "vendor": "n/a",
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        },
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        },
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    }
  },
  "cveMetadata": {
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    "datePublished": "2022-12-23T00:00:00.000Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2WC2-77R7-4PM8

CVE-2022-47941 (GCVE-0-2022-47941)

Tags

Sightings

Nomenclature