{
  "id": "CVE-2024-56553",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-12-27T15:15:14.073",
  "lastModified": "2025-04-17T21:15:48.740",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix memleak of proc->delivered_freeze\n\nIf a freeze notification is cleared with BC_CLEAR_FREEZE_NOTIFICATION\nbefore calling binder_freeze_notification_done(), then it is detached\nfrom its reference (e.g. ref->freeze) but the work remains queued in\nproc->delivered_freeze. This leads to a memory leak when the process\nexits as any pending entries in proc->delivered_freeze are not freed:\n\n  unreferenced object 0xffff38e8cfa36180 (size 64):\n    comm \"binder-util\", pid 655, jiffies 4294936641\n    hex dump (first 32 bytes):\n      b8 e9 9e c8 e8 38 ff ff b8 e9 9e c8 e8 38 ff ff  .....8.......8..\n      0b 00 00 00 00 00 00 00 3c 1f 4b 00 00 00 00 00  ........<.K.....\n    backtrace (crc 95983b32):\n      [<000000000d0582cf>] kmemleak_alloc+0x34/0x40\n      [<000000009c99a513>] __kmalloc_cache_noprof+0x208/0x280\n      [<00000000313b1704>] binder_thread_write+0xdec/0x439c\n      [<000000000cbd33bb>] binder_ioctl+0x1b68/0x22cc\n      [<000000002bbedeeb>] __arm64_sys_ioctl+0x124/0x190\n      [<00000000b439adee>] invoke_syscall+0x6c/0x254\n      [<00000000173558fc>] el0_svc_common.constprop.0+0xac/0x230\n      [<0000000084f72311>] do_el0_svc+0x40/0x58\n      [<000000008b872457>] el0_svc+0x38/0x78\n      [<00000000ee778653>] el0t_64_sync_handler+0x120/0x12c\n      [<00000000a8ec61bf>] el0t_64_sync+0x190/0x194\n\nThis patch fixes the leak by ensuring that any pending entries in\nproc->delivered_freeze are freed during binder_deferred_release()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: binder: corrige p\u00e9rdida de memoria de proc-&gt;delivered_freeze Si se borra una notificaci\u00f3n de congelamiento con BC_CLEAR_FREEZE_NOTIFICATION antes de llamar a binder_freeze_notification_done(), entonces se separa de su referencia (por ejemplo, ref-&gt;freeze) pero el trabajo permanece en cola en proc-&gt;delivered_freeze. Esto genera una p\u00e9rdida de memoria cuando el proceso finaliza, ya que no se liberan las entradas pendientes en proc-&gt;delivered_freeze: objeto sin referencia 0xffff38e8cfa36180 (tama\u00f1o 64): comm \"binder-util\", pid 655, jiffies 4294936641 volcado hexadecimal (primeros 32 bytes): b8 e9 9e c8 e8 38 ff ff b8 e9 9e c8 e8 38 ff ff .....8.......8.. 0b 00 00 00 00 00 00 00 3c 1f 4b 00 00 00 00 00 ........&lt;.K..... backtrace (crc 95983b32): [&lt;000000000d0582cf&gt;] kmemleak_alloc+0x34/0x40 [&lt;000000009c99a513&gt;] __kmalloc_cache_noprof+0x208/0x280 [&lt;00000000313b1704&gt;] binder_thread_write+0xdec/0x439c [&lt;000000000cbd33bb&gt;] binder_ioctl+0x1b68/0x22cc [&lt;000000002bbedeeb&gt;] __arm64_sys_ioctl+0x124/0x190 [&lt;00000000b439adee&gt;] invocar_syscall+0x6c/0x254 [&lt;00000000173558fc&gt;] Este parche corrige la fuga al garantizar que todas las entradas pendientes en proc-&gt;delivered_freeze se liberen durante binder_deferred_release()."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
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          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
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    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
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          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1db76ec2b4b206ff943e292a0b55e68ff3443598",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}