CVE-2023-53721

{
  "id": "CVE-2023-53721",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-10-22T14:15:46.803",
  "lastModified": "2026-10-28T19:10:00.193",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()\n\nIn ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly\nused in memcpy(), which may lead to a NULL pointer dereference on\nfailure of kzalloc().\n\nFix this bug by adding a check of arg.extraie.ptr.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: ath12k: Se corrige una desreferencia de puntero NULL en ath12k_mac_op_hw_scan()\n\nEn ath12k_mac_op_hw_scan(), el valor de retorno de kzalloc() se utiliza directamente en memcpy(), lo que puede llevar a una desreferencia de puntero NULL ante un fallo de kzalloc().\n\nSe corrige este error añadiendo una comprobación de arg.extraie.ptr.\n\nProbado en: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/mac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
              "lessThan": "5a263df398b581189fe632b4ab8440f3dd76c251",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2",
              "lessThan": "8ad314da54c6dd223a6b6cc85019160aa842f659",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/mac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.3",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.3",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.5.5",
              "lessThanOrEqual": "6.5.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/5a263df398b581189fe632b4ab8440f3dd76c251",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8ad314da54c6dd223a6b6cc85019160aa842f659",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}