github - ghsa-gr5c-gf9x-ww6q

ghsa-gr5c-gf9x-ww6q

Vulnerability from github

Published

2024-02-21 09:31

Modified

2024-05-01 18:30

Severity ?

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

Details

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

ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()

If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52440"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-21T08:15:45Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()\n\nIf authblob-\u003eSessionKey.Length is bigger than session key\nsize(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes.\ncifs_arc4_crypt copy to session key array from SessionKey from client.",
  "id": "GHSA-gr5c-gf9x-ww6q",
  "modified": "2024-05-01T18:30:35Z",
  "published": "2024-02-21T09:31:01Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52440"
    },
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    },
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    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/03/18/2"
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  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
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}

CVE-2023-52440 (GCVE-0-2023-52440)

Vulnerability from cvelistv5

Published

2024-02-21 07:21

Modified

2025-05-04 07:36

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
	https://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
	https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
	https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
	https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254

Impacted products

Vendor

Product

Version

▼

Linux

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

Linux

Version: 5.15

Show details on NVD website

JSON

To clipboard

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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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