ghsa-7rpw-5262-46cf
Vulnerability from github
Published
2024-05-20 12:30
Modified
2025-01-10 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:

accel/ivpu: Fix deadlock in context_xa

ivpu_device->context_xa is locked both in kernel thread and IRQ context. It requires XA_FLAGS_LOCK_IRQ flag to be passed during initialization otherwise the lock could be acquired from a thread and interrupted by an IRQ that locks it for the second time causing the deadlock.

This deadlock was reported by lockdep and observed in internal tests.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-35953"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-20T10:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Fix deadlock in context_xa\n\nivpu_device-\u003econtext_xa is locked both in kernel thread and IRQ context.\nIt requires XA_FLAGS_LOCK_IRQ flag to be passed during initialization\notherwise the lock could be acquired from a thread and interrupted by\nan IRQ that locks it for the second time causing the deadlock.\n\nThis deadlock was reported by lockdep and observed in internal tests.",
  "id": "GHSA-7rpw-5262-46cf",
  "modified": "2025-01-10T18:31:37Z",
  "published": "2024-05-20T12:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35953"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d43e11d9c7fcb16f18bd46ab2556c2772ffc5775"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6011411147209bc0cc14628cbc155356837e52a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd7726e75968b27fe98534ccbf47ccd6fef686f3"
    }
  ],
  "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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