ghsa-mx4m-jchx-4w64
Vulnerability from github
Published
2025-03-18 18:30
Modified
2025-03-18 18:30
Details

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

net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link

When using a fixed-link, the altr_tse_pcs driver crashes due to null-pointer dereference as no phy_device is provided to tse_pcs_fix_mac_speed function. Fix this by adding a check for phy_dev before calling the tse_pcs_fix_mac_speed() function.

Also clean up the tse_pcs_fix_mac_speed function a bit. There is no need to check for splitter_base and sgmii_adapter_base because the driver will fail if these 2 variables are not derived from the device tree.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2022-49061"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:00:43Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link\n\nWhen using a fixed-link, the altr_tse_pcs driver crashes\ndue to null-pointer dereference as no phy_device is provided to\ntse_pcs_fix_mac_speed function. Fix this by adding a check for\nphy_dev before calling the tse_pcs_fix_mac_speed() function.\n\nAlso clean up the tse_pcs_fix_mac_speed function a bit. There is\nno need to check for splitter_base and sgmii_adapter_base\nbecause the driver will fail if these 2 variables are not\nderived from the device tree.",
  "id": "GHSA-mx4m-jchx-4w64",
  "modified": "2025-03-18T18:30:49Z",
  "published": "2025-03-18T18:30:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49061"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08d5e3e954537931c8da7428034808d202e98299"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62a48383ebe2e159fd68425dd3e16d4c6bd6599a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c020f05253df04c3480b586fe188a3582740049"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e59fdf9547c4f948d1d917ec7ffa5fb5ac53bdb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6aaa00324240967272b451bfa772547bd576ee6"
    }
  ],
  "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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