ghsa-wpwf-qxpx-v6qh
Vulnerability from github
Published
2024-11-08 06:30
Modified
2024-11-13 18:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()

The step variable is initialized to zero. It is changed in the loop, but if it's not changed it will remain zero. Add a variable check before the division.

The observed behavior was introduced by commit 826b5de90c0b ("ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size"), and it is difficult to show that any of the interval parameters will satisfy the snd_interval_test() condition with data from the amdtp_rate_table[] table.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-50205"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-369"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-08T06:15:16Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()\n\nThe step variable is initialized to zero. It is changed in the loop,\nbut if it\u0027s not changed it will remain zero. Add a variable check\nbefore the division.\n\nThe observed behavior was introduced by commit 826b5de90c0b\n(\"ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size\"),\nand it is difficult to show that any of the interval parameters will\nsatisfy the snd_interval_test() condition with data from the\namdtp_rate_table[] table.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "GHSA-wpwf-qxpx-v6qh",
  "modified": "2024-11-13T18:31:53Z",
  "published": "2024-11-08T06:30:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50205"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3452d39c4704aa12504e4190298c721fb01083c3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bdc21506f12b2d432b1f2667e5ff4c75eee58e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e431f85c87bbffd93a9830d5a576586f9855291"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72cafe63b35d06b5cfbaf807e90ae657907858da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d4eb9e22131ec154e638cbd56629195c9bcbe9a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d2826873db70a6719cdd9212a6739f3e6234cfc4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d575414361630b8b0523912532fcd7c79e43468c"
    }
  ],
  "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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