ghsa-p83v-m67p-pffw
Vulnerability from github
Published
2025-08-19 18:31
Modified
2025-11-03 18:31
Details

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

clk: xilinx: vcu: unregister pll_post only if registered correctly

If registration of pll_post is failed, it will be set to NULL or ERR, unregistering same will fail with following call trace:

Unable to handle kernel NULL pointer dereference at virtual address 008 pc : clk_hw_unregister+0xc/0x20 lr : clk_hw_unregister_fixed_factor+0x18/0x30 sp : ffff800011923850 ... Call trace: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38583"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-19T17:15:35Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: xilinx: vcu: unregister pll_post only if registered correctly\n\nIf registration of pll_post is failed, it will be set to NULL or ERR,\nunregistering same will fail with following call trace:\n\nUnable to handle kernel NULL pointer dereference at virtual address 008\npc : clk_hw_unregister+0xc/0x20\nlr : clk_hw_unregister_fixed_factor+0x18/0x30\nsp : ffff800011923850\n...\nCall trace:\n clk_hw_unregister+0xc/0x20\n clk_hw_unregister_fixed_factor+0x18/0x30\n xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu]\n xvcu_probe+0x2bc/0x53c [xlnx_vcu]",
  "id": "GHSA-p83v-m67p-pffw",
  "modified": "2025-11-03T18:31:34Z",
  "published": "2025-08-19T18:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38583"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51990eecf22f446550befdfd1a9f54147eafd636"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e903da71f8bec4beb7c06707900e1ed8db843ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86124c5cfceb5ac04d2fddbf1b6f7147332d96a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88bd875b7f9c3652c27d6e4bb7a23701b764f762"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1a1be99d5ae53d3b404415f1665eb59e8e02a8c"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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