GHSA-5JJF-3VJ6-WJXF

Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2024-06-03 18:55
VLAI
Details

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

ALSA: hda: Fix possible null-ptr-deref when assigning a stream

While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2023-52806"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T16:15:18Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix possible null-ptr-deref when assigning a stream\n\nWhile AudioDSP drivers assign streams exclusively of HOST or LINK type,\nnothing blocks a user to attempt to assign a COUPLED stream. As\nsupplied substream instance may be a stub, what is the case when\ncode-loading, such scenario ends with null-ptr-deref.",
  "id": "GHSA-5jjf-3vj6-wjxf",
  "modified": "2024-06-03T18:55:26Z",
  "published": "2024-05-21T18:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52806"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.