GHSA-XCJG-G59X-3948

Vulnerability from github – Published: 2024-12-27 15:31 – Updated: 2025-11-03 21:31
VLAI?
Details

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

ALSA: usx2y: Use snd_card_free_when_closed() at disconnection

The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup.

An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close.

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-2024-56533"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T14:15:32Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usx2y: Use snd_card_free_when_closed() at disconnection\n\nThe USB disconnect callback is supposed to be short and not too-long\nwaiting.  OTOH, the current code uses snd_card_free() at\ndisconnection, but this waits for the close of all used fds, hence it\ncan take long.  It eventually blocks the upper layer USB ioctls, which\nmay trigger a soft lockup.\n\nAn easy workaround is to replace snd_card_free() with\nsnd_card_free_when_closed().  This variant returns immediately while\nthe release of resources is done asynchronously by the card device\nrelease at the last close.",
  "id": "GHSA-xcjg-g59x-3948",
  "modified": "2025-11-03T21:31:50Z",
  "published": "2024-12-27T15:31:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56533"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24fe9f7ca83ec9acf765339054951f5cd9ae5c5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7bd8838c0ea886679a32834fdcacab296d072fbe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/befcca1777525e37c659b4129d8ac7463b07ef67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dafb28f02be407e07a6f679e922a626592b481b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e07605d855c4104d981653146a330ea48f6266ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e869642a77a9b3b98b0ab2c8fec7af4385140909"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ffbfc6c4330fc233698529656798bee44fea96f5"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
    }
  ],
  "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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Detection rules are retrieved from Rulezet.