ghsa-rh96-4px7-3vm8
Vulnerability from github
Published
2024-06-21 12:31
Modified
2024-06-27 12:30
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:

dma-buf/sw-sync: don't enable IRQ from sync_print_obj()

Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spin_unlock_irqrestore() with spin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite sync_print_obj() is called from sync_debugfs_show(), lockdep complains inconsistent lock state warning.

Use plain spin_{lock,unlock}() for sync_print_obj(), for sync_debugfs_show() is already using spin_{lock,unlock}_irq().

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38780"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-21T12:15:11Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf/sw-sync: don\u0027t enable IRQ from sync_print_obj()\n\nSince commit a6aa8fca4d79 (\"dma-buf/sw-sync: Reduce irqsave/irqrestore from\nknown context\") by error replaced spin_unlock_irqrestore() with\nspin_unlock_irq() for both sync_debugfs_show() and sync_print_obj() despite\nsync_print_obj() is called from sync_debugfs_show(), lockdep complains\ninconsistent lock state warning.\n\nUse plain spin_{lock,unlock}() for sync_print_obj(), for\nsync_debugfs_show() is already using spin_{lock,unlock}_irq().",
  "id": "GHSA-rh96-4px7-3vm8",
  "modified": "2024-06-27T12:30:48Z",
  "published": "2024-06-21T12:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38780"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/165b25e3ee9333f7b04f8db43895beacb51582ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1ff116f68560a25656933d5a18e7619cb6773d8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/242b30466879e6defa521573c27e12018276c33a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a283cdfc8beeb14024387a925247b563d614e1e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d75fab2c14a25553a1664586ed122c316bd1878"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4ee78244445ab73af22bfc5a5fc543963b25aef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae6fc4e6a3322f6d1c8ff59150d8469487a73dd8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b794918961516f667b0c745aebdfebbb8a98df39"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.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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