CVE-2023-53710

{
  "id": "CVE-2023-53710",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-10-22T14:15:45.613",
  "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: mt76: mt7921: fix error code of return in mt7921_acpi_read\n\nKernel NULL pointer dereference when ACPI SAR table isn't implemented well.\nFix the error code of return to mark the ACPI SAR table as invalid.\n\n[    5.077128] mt7921e 0000:06:00.0: sar cnt = 0\n[    5.077381] BUG: kernel NULL pointer dereference, address:\n0000000000000004\n[    5.077630] #PF: supervisor read access in kernel mode\n[    5.077883] #PF: error_code(0x0000) - not-present page\n[    5.078138] PGD 0 P4D 0\n[    5.078398] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[    5.079202] RIP: 0010:mt7921_init_acpi_sar+0x106/0x220\n[mt7921_common]\n...\n[    5.080786] Call Trace:\n[    5.080786]  <TASK>\n[    5.080786]  mt7921_register_device+0x37d/0x490 [mt7921_common]\n[    5.080786]  mt7921_pci_probe.part.0+0x2ee/0x310 [mt7921e]\n[    5.080786]  mt7921_pci_probe+0x52/0x70 [mt7921e]\n[    5.080786]  local_pci_probe+0x47/0x90\n[    5.080786]  pci_call_probe+0x55/0x190\n[    5.080786]  pci_device_probe+0x84/0x120"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: mt76: mt7921: corregir el código de error de retorno en mt7921_acpi_read\n\nDesreferencia de puntero NULL del kernel cuando la tabla ACPI SAR no está bien implementada.\nCorregir el código de error de retorno para marcar la tabla ACPI SAR como inválida.\n\n[    5.077128] mt7921e 0000:06:00.0: sar cnt = 0\n[    5.077381] BUG: desreferencia de puntero NULL del kernel, dirección:\n0000000000000004\n[    5.077630] #PF: acceso de lectura de supervisor en modo kernel\n[    5.077883] #PF: error_code(0x0000) - página no presente\n[    5.078138] PGD 0 P4D 0\n[    5.078398] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[    5.079202] RIP: 0010:mt7921_init_acpi_sar+0x106/0x220\n[mt7921_common]\n...\n[    5.080786] Traza de Llamada:\n[    5.080786]  [TASK]\n[    5.080786]  mt7921_register_device+0x37d/0x490 [mt7921_common]\n[    5.080786]  mt7921_pci_probe.part.0+0x2ee/0x310 [mt7921e]\n[    5.080786]  mt7921_pci_probe+0x52/0x70 [mt7921e]\n[    5.080786]  local_pci_probe+0x47/0x90\n[    5.080786]  pci_call_probe+0x55/0x190\n[    5.080786]  pci_device_probe+0x84/0x120"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "f965333e491e36adb0fa91e389fba8685b704fb6",
              "lessThan": "2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "f965333e491e36adb0fa91e389fba8685b704fb6",
              "lessThan": "59c2b0aec7a5aa350aa3edfb4363b19348c2269f",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "f965333e491e36adb0fa91e389fba8685b704fb6",
              "lessThan": "888d89034f9eaeab9b5b75f13dbe35376c7dd471",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.0",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.16",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.2.3",
              "lessThanOrEqual": "6.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/59c2b0aec7a5aa350aa3edfb4363b19348c2269f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/888d89034f9eaeab9b5b75f13dbe35376c7dd471",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}