CVE-2025-22128 (GCVE-0-2025-22128)
Vulnerability from cvelistv5
Published
2025-04-16 14:13
Modified
2025-06-27 10:21
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Clear affinity hint before calling ath12k_pci_free_irq() in error path If a shared IRQ is used by the driver due to platform limitation, then the IRQ affinity hint is set right after the allocation of IRQ vectors in ath12k_pci_msi_alloc(). This does no harm unless one of the functions requesting the IRQ fails and attempt to free the IRQ. This may end up with a warning from the IRQ core that is expecting the affinity hint to be cleared before freeing the IRQ: kernel/irq/manage.c: /* make sure affinity_hint is cleaned up */ if (WARN_ON_ONCE(desc->affinity_hint)) desc->affinity_hint = NULL; So to fix this issue, clear the IRQ affinity hint before calling ath12k_pci_free_irq() in the error path. The affinity will be cleared once again further down the error path due to code organization, but that does no harm.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/35b33ba76765ce9e72949d957f3cf1feafd2955c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a69a594794fcad96d4cfce12aab6c5014a12b4c8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b43b1e2c52db77c872bd60d30cdcc72c47df70c7
Impacted products
Vendor Product Version
Linux Linux Version: a3012f206d07fa62b5c2e384cbc3a81a4dbba3c9
Version: a3012f206d07fa62b5c2e384cbc3a81a4dbba3c9
Version: a3012f206d07fa62b5c2e384cbc3a81a4dbba3c9
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   Linux Linux Version: 6.8
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a69a594794fcad96d4cfce12aab6c5014a12b4c8",
              "status": "affected",
              "version": "a3012f206d07fa62b5c2e384cbc3a81a4dbba3c9",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.35",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.2",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Clear affinity hint before calling ath12k_pci_free_irq() in error path\n\nIf a shared IRQ is used by the driver due to platform limitation, then the\nIRQ affinity hint is set right after the allocation of IRQ vectors in\nath12k_pci_msi_alloc(). This does no harm unless one of the functions\nrequesting the IRQ fails and attempt to free the IRQ.\n\nThis may end up with a warning from the IRQ core that is expecting the\naffinity hint to be cleared before freeing the IRQ:\n\nkernel/irq/manage.c:\n\n\t/* make sure affinity_hint is cleaned up */\n\tif (WARN_ON_ONCE(desc-\u003eaffinity_hint))\n\t\tdesc-\u003eaffinity_hint = NULL;\n\nSo to fix this issue, clear the IRQ affinity hint before calling\nath12k_pci_free_irq() in the error path. The affinity will be cleared once\nagain further down the error path due to code organization, but that does\nno harm."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-27T10:21:16.498Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a69a594794fcad96d4cfce12aab6c5014a12b4c8"
        },
        {
          "url": "https://git.kernel.org/stable/c/35b33ba76765ce9e72949d957f3cf1feafd2955c"
        },
        {
          "url": "https://git.kernel.org/stable/c/b43b1e2c52db77c872bd60d30cdcc72c47df70c7"
        }
      ],
      "title": "wifi: ath12k: Clear affinity hint before calling ath12k_pci_free_irq() in error path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-22128",
    "datePublished": "2025-04-16T14:13:10.692Z",
    "dateReserved": "2024-12-29T08:45:45.824Z",
    "dateUpdated": "2025-06-27T10:21:16.498Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-22128\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-04-16T15:16:06.897\",\"lastModified\":\"2025-06-27T11:15:24.440\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath12k: Clear affinity hint before calling ath12k_pci_free_irq() in error path\\n\\nIf a shared IRQ is used by the driver due to platform limitation, then the\\nIRQ affinity hint is set right after the allocation of IRQ vectors in\\nath12k_pci_msi_alloc(). This does no harm unless one of the functions\\nrequesting the IRQ fails and attempt to free the IRQ.\\n\\nThis may end up with a warning from the IRQ core that is expecting the\\naffinity hint to be cleared before freeing the IRQ:\\n\\nkernel/irq/manage.c:\\n\\n\\t/* make sure affinity_hint is cleaned up */\\n\\tif (WARN_ON_ONCE(desc-\u003eaffinity_hint))\\n\\t\\tdesc-\u003eaffinity_hint = NULL;\\n\\nSo to fix this issue, clear the IRQ affinity hint before calling\\nath12k_pci_free_irq() in the error path. The affinity will be cleared once\\nagain further down the error path due to code organization, but that does\\nno harm.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath12k: Borrar la sugerencia de afinidad antes de llamar a ath12k_pci_free_irq() en la ruta de error Si el controlador usa una IRQ compartida debido a una limitaci\u00f3n de la plataforma, la sugerencia de afinidad de IRQ se establece justo despu\u00e9s de la asignaci\u00f3n de vectores de IRQ en ath12k_pci_msi_alloc(). Esto no causa da\u00f1o a menos que una de las funciones que solicita la IRQ falle e intente liberarla. Esto puede terminar con una advertencia del n\u00facleo de IRQ que espera que se borre la sugerencia de afinidad antes de liberar la IRQ: kernel/irq/manage.c: /* aseg\u00farese de que affinity_hint se limpie */ if (WARN_ON_ONCE(desc-\u0026gt;affinity_hint)) desc-\u0026gt;affinity_hint = NULL; Para solucionar este problema, borre la indicaci\u00f3n de afinidad de IRQ antes de llamar a ath12k_pci_free_irq() en la ruta de error. La afinidad se borrar\u00e1 m\u00e1s adelante en la ruta de error debido a la organizaci\u00f3n del c\u00f3digo, pero esto no perjudica.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/35b33ba76765ce9e72949d957f3cf1feafd2955c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a69a594794fcad96d4cfce12aab6c5014a12b4c8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b43b1e2c52db77c872bd60d30cdcc72c47df70c7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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