github - ghsa-hm27-9g63-w87w

ghsa-hm27-9g63-w87w

Vulnerability from github

Published

2023-07-24 18:30

Modified

2023-12-04 15:31

Severity ?

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

Details

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-32248"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-07-24T16:15:11Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in the Linux kernel\u0027s ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.",
  "id": "GHSA-hm27-9g63-w87w",
  "modified": "2023-12-04T15:31:54Z",
  "published": "2023-07-24T18:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32248"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-32248"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2219818"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20230915-0006"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479"
    }
  ],
  "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-2023-32248

Vulnerability from cvelistv5

Published

2023-07-24 15:19

Modified

2024-08-02 15:10

Severity ?

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

Summary

Tree connection null pointer dereference denial-of-service vulnerability

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2023-32248	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2219818	issue-tracking, x_refsource_REDHAT
	https://security.netapp.com/advisory/ntap-20230915-0006/
	https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/

Impacted products

Vendor

Product

Version

▼

n/a

kernel

Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Fedora	Fedora

Show details on NVD website

JSON

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            "url": "https://security.netapp.com/advisory/ntap-20230915-0006/"
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          "vendor": "n/a",
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          "time": "2023-05-04T00:00:00+00:00",
          "value": "Made public."
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      ],
      "title": "Tree connection null pointer dereference denial-of-service vulnerability",
      "x_redhatCweChain": "CWE-476: NULL Pointer Dereference"
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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