CVE-2023-53529

{
  "id": "CVE-2023-53529",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-10-01T12:15:57.590",
  "lastModified": "2026-11-05T21:17:25.143",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix memory leak in rtw88_usb\n\nKmemleak shows the following leak arising from routine in the usb\nprobe routine:\n\nunreferenced object 0xffff895cb29bba00 (size 512):\n  comm \"(udev-worker)\", pid 534, jiffies 4294903932 (age 102751.088s)\n  hex dump (first 32 bytes):\n    77 30 30 30 00 00 00 00 02 2f 2d 2b 30 00 00 00  w000...../-+0...\n    02 00 2a 28 00 00 00 00 ff 55 ff ff ff 00 00 00  ..*(.....U......\n  backtrace:\n    [<ffffffff9265fa36>] kmalloc_trace+0x26/0x90\n    [<ffffffffc17eec41>] rtw_usb_probe+0x2f1/0x680 [rtw_usb]\n    [<ffffffffc03e19fd>] usb_probe_interface+0xdd/0x2e0 [usbcore]\n    [<ffffffff92b4f2fe>] really_probe+0x18e/0x3d0\n    [<ffffffff92b4f5b8>] __driver_probe_device+0x78/0x160\n    [<ffffffff92b4f6bf>] driver_probe_device+0x1f/0x90\n    [<ffffffff92b4f8df>] __driver_attach+0xbf/0x1b0\n    [<ffffffff92b4d350>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff92b4e51e>] bus_add_driver+0x10e/0x210\n    [<ffffffff92b50935>] driver_register+0x55/0xf0\n    [<ffffffffc03e0708>] usb_register_driver+0x88/0x140 [usbcore]\n    [<ffffffff92401153>] do_one_initcall+0x43/0x210\n    [<ffffffff9254f42a>] do_init_module+0x4a/0x200\n    [<ffffffff92551d1c>] __do_sys_finit_module+0xac/0x120\n    [<ffffffff92ee6626>] do_syscall_64+0x56/0x80\n    [<ffffffff9300006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe leak was verified to be real by unloading the driver, which resulted\nin a dangling pointer to the allocation.\n\nThe allocated memory is freed in rtw_usb_intf_deinit()."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw88/usb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9",
              "lessThan": "5bba1ad561a8b5bb14704d8f511cf10466336e3d",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9",
              "lessThan": "59a3a312009723e3e5082899655fdcc420e2b47a",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw88/usb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "5.2",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "5.2",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.3.4",
              "lessThanOrEqual": "6.3.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.4",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "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
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-05T20:23:24.026154Z",
          "id": "CVE-2023-53529",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.2",
              "versionEndExcluding": "6.3.4",
              "matchCriteriaId": "967995AB-9E5B-4150-887B-DAA201307181"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/59a3a312009723e3e5082899655fdcc420e2b47a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/5bba1ad561a8b5bb14704d8f511cf10466336e3d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    }
  ]
}