fkie_cve-2025-38116
Vulnerability from fkie_nvd
Published
2025-07-03 09:15
Modified
2025-11-20 21:33
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix uaf in ath12k_core_init() When the execution of ath12k_core_hw_group_assign() or ath12k_core_hw_group_create() fails, the registered notifier chain is not unregistered properly. Its memory is freed after rmmod, which may trigger to a use-after-free (UAF) issue if there is a subsequent access to this notifier chain. Fixes the issue by calling ath12k_core_panic_notifier_unregister() in failure cases. Call trace: notifier_chain_register+0x4c/0x1f0 (P) atomic_notifier_chain_register+0x38/0x68 ath12k_core_init+0x50/0x4e8 [ath12k] ath12k_pci_probe+0x5f8/0xc28 [ath12k] pci_device_probe+0xbc/0x1a8 really_probe+0xc8/0x3a0 __driver_probe_device+0x84/0x1b0 driver_probe_device+0x44/0x130 __driver_attach+0xcc/0x208 bus_for_each_dev+0x84/0x100 driver_attach+0x2c/0x40 bus_add_driver+0x130/0x260 driver_register+0x70/0x138 __pci_register_driver+0x68/0x80 ath12k_pci_init+0x30/0x68 [ath12k] ath12k_init+0x28/0x78 [ath12k] Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/65e1b3404c211dcfaea02698539cdcd26647130fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f3fe49dbddd73f0155a8935af47cb63693069dbePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.16


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "59623E70-FBCF-4F5B-A3CE-07A4482CED29",
              "versionEndExcluding": "6.15.3",
              "versionStartIncluding": "6.14",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix uaf in ath12k_core_init()\n\nWhen the execution of ath12k_core_hw_group_assign() or\nath12k_core_hw_group_create() fails, the registered notifier chain is not\nunregistered properly. Its memory is freed after rmmod, which may trigger\nto a use-after-free (UAF) issue if there is a subsequent access to this\nnotifier chain.\n\nFixes the issue by calling ath12k_core_panic_notifier_unregister() in\nfailure cases.\n\nCall trace:\n notifier_chain_register+0x4c/0x1f0 (P)\n atomic_notifier_chain_register+0x38/0x68\n ath12k_core_init+0x50/0x4e8 [ath12k]\n ath12k_pci_probe+0x5f8/0xc28 [ath12k]\n pci_device_probe+0xbc/0x1a8\n really_probe+0xc8/0x3a0\n __driver_probe_device+0x84/0x1b0\n driver_probe_device+0x44/0x130\n __driver_attach+0xcc/0x208\n bus_for_each_dev+0x84/0x100\n driver_attach+0x2c/0x40\n bus_add_driver+0x130/0x260\n driver_register+0x70/0x138\n __pci_register_driver+0x68/0x80\n ath12k_pci_init+0x30/0x68 [ath12k]\n ath12k_init+0x28/0x78 [ath12k]\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath12k: correcci\u00f3n de uaf en ath12k_core_init(). Cuando falla la ejecuci\u00f3n de ath12k_core_hw_group_assign() o ath12k_core_hw_group_create(), la cadena de notificadores registrada no se desregistra correctamente. Su memoria se libera despu\u00e9s de rmmod, lo que puede generar un problema de use-after-free (UAF) si se accede posteriormente a esta cadena de notificadores. Se soluciona el problema llamando a ath12k_core_panic_notifier_unregister() en caso de fallo. Rastreo de llamadas: notifier_chain_register+0x4c/0x1f0 (P) atomic_notifier_chain_register+0x38/0x68 ath12k_core_init+0x50/0x4e8 [ath12k] ath12k_pci_probe+0x5f8/0xc28 [ath12k] pci_device_probe+0xbc/0x1a8 really_probe+0xc8/0x3a0 __driver_probe_device+0x84/0x1b0 driver_probe_device+0x44/0x130 __driver_attach+0xcc/0x208 bus_for_each_dev+0x84/0x100 driver_attach+0x2c/0x40 bus_add_driver+0x130/0x260 driver_register+0x70/0x138 __pci_register_driver+0x68/0x80 ath12k_pci_init+0x30/0x68 [ath12k] ath12k_init+0x28/0x78 [ath12k] Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 "
    }
  ],
  "id": "CVE-2025-38116",
  "lastModified": "2025-11-20T21:33:35.180",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-07-03T09:15:25.490",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/65e1b3404c211dcfaea02698539cdcd26647130f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/f3fe49dbddd73f0155a8935af47cb63693069dbe"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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