github - ghsa-c5f7-v4rr-qv23

ghsa-c5f7-v4rr-qv23

Vulnerability from github

Published

2022-12-23 18:30

Modified

2025-04-14 21:32

Severity ?

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

Details

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

Show details on source website

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-47939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-12-23T16:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.",
  "id": "GHSA-c5f7-v4rr-qv23",
  "modified": "2025-04-14T21:32:17Z",
  "published": "2022-12-23T18:30:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-47939"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
    },
    {
      "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=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
    },
    {
      "type": "WEB",
      "url": "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1690"
    },
    {
      "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:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-47939 (GCVE-0-2022-47939)

Vulnerability from cvelistv5

Published

2022-12-23 00:00

Modified

2025-04-14 18:38

Severity ?

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

CWE

n/a

Summary

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

References

URL

Tags

	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
	https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c
	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c
	http://www.openwall.com/lists/oss-security/2022/12/23/10
	https://www.zerodayinitiative.com/advisories/ZDI-22-1690/
	https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

To clipboard

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    "adp": [
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        "references": [
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            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
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            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
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            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1690/"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-47939",
    "datePublished": "2022-12-23T00:00:00.000Z",
    "dateReserved": "2022-12-23T00:00:00.000Z",
    "dateUpdated": "2025-04-14T18:38:27.723Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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