ghsa-7x7f-m8j9-p3cw
Vulnerability from github
Published
2025-02-27 03:34
Modified
2025-02-27 03:34
Details

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

wifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev()

In ath12k_mac_assign_vif_to_vdev(), if arvif is created on a different radio, it gets deleted from that radio through a call to ath12k_mac_unassign_link_vif(). This action frees the arvif pointer. Subsequently, there is a check involving arvif, which will result in a read-after-free scenario.

Fix this by moving this check after arvif is again assigned via call to ath12k_mac_assign_link_vif().

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1

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{
  "affected": [],
  "aliases": [
    "CVE-2024-57995"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-27T02:15:13Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev()\n\nIn ath12k_mac_assign_vif_to_vdev(), if arvif is created on a different\nradio, it gets deleted from that radio through a call to\nath12k_mac_unassign_link_vif(). This action frees the arvif pointer.\nSubsequently, there is a check involving arvif, which will result in a\nread-after-free scenario.\n\nFix this by moving this check after arvif is again assigned via call to\nath12k_mac_assign_link_vif().\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1",
  "id": "GHSA-7x7f-m8j9-p3cw",
  "modified": "2025-02-27T03:34:01Z",
  "published": "2025-02-27T03:34:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-57995"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a10971c7645a95f5d5dc23c26fbac4bf61801d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3a95a312419e4f1e992525917da9dbcd247038f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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