fkie_cve-2023-53456
Vulnerability from fkie_nvd
Published
2025-10-01 12:15
Modified
2025-10-02 19:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: qla4xxx: Add length check when parsing nlattrs There are three places that qla4xxx parses nlattrs: - qla4xxx_set_chap_entry() - qla4xxx_iface_set_param() - qla4xxx_sysfs_ddb_set_param() and each of them directly converts the nlattr to specific pointer of structure without length checking. This could be dangerous as those attributes are not validated and a malformed nlattr (e.g., length 0) could result in an OOB read that leaks heap dirty data. Add the nla_len check before accessing the nlattr data and return EINVAL if the length check fails.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25feffb3fbd51ae81d92c65cebc0e932663828b3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/47cd3770e31df942e2bb925a9a855c79ed0662eb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/47f3be62eab50b8cd7e1ae5fc2c4dae687497c34
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ed21975311247bb84e82298eeb359ec0a0fa84d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5925e224cc6edfef57b20447f18323208461309b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d65079c69dc1feb817ed71f5bd15e83a7d6832d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b018c0440b871d8b001c996e95fa4538bd292de6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cfa6a1a79ed6d336fac7a5d87eb5471e4401829f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f61fc650c47849637fa1771a31a11674c824138a
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla4xxx: Add length check when parsing nlattrs\n\nThere are three places that qla4xxx parses nlattrs:\n\n - qla4xxx_set_chap_entry()\n\n - qla4xxx_iface_set_param()\n\n - qla4xxx_sysfs_ddb_set_param()\n\nand each of them directly converts the nlattr to specific pointer of\nstructure without length checking. This could be dangerous as those\nattributes are not validated and a malformed nlattr (e.g., length 0) could\nresult in an OOB read that leaks heap dirty data.\n\nAdd the nla_len check before accessing the nlattr data and return EINVAL if\nthe length check fails."
    }
  ],
  "id": "CVE-2023-53456",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T12:15:45.983",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/25feffb3fbd51ae81d92c65cebc0e932663828b3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/47cd3770e31df942e2bb925a9a855c79ed0662eb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/47f3be62eab50b8cd7e1ae5fc2c4dae687497c34"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4ed21975311247bb84e82298eeb359ec0a0fa84d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5925e224cc6edfef57b20447f18323208461309b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6d65079c69dc1feb817ed71f5bd15e83a7d6832d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b018c0440b871d8b001c996e95fa4538bd292de6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/cfa6a1a79ed6d336fac7a5d87eb5471e4401829f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f61fc650c47849637fa1771a31a11674c824138a"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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