media: max9286: Fix memleak in max9286_v4l2_register()

{
  "id": "f4187705fcdfc365dce0c6aa0c137cb3760dedc9d3968f840cd1de001ef82bc7",
  "url": "https://osv.dev/vulnerability/CVE-2023-53700",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "media: max9286: Fix memleak in max9286_v4l2_register()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: media: max9286: Fix memleak in max9286_v4l2_register() There is a kmemleak when testing the media/i2c/max9286.c with bpf mock device: kmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak) unreferenced object 0xffff88810defc400 (size 256): comm \"python3\", pid 278, jiffies 4294737563 (age 31.978s) hex dump (first 32 bytes): 28 06 a7 0a 81 88 ff ff 00 fe 22 12 81 88 ff ff (.........\"..... 10 c4 ef 0d 81 88 ff ff 10 c4 ef 0d 81 88 ff ff ................ backtrace: [<00000000191de6a7>] __kmalloc_node+0x44/0x1b0 [<000000002f4912b7>] kvmalloc_node+0x34/0x180 [<0000000057dc4cae>] v4l2_ctrl_new+0x325/0x10f0 [videodev] [<0000000026030272>] v4l2_ctrl_new_std+0x16f/0x210 [videodev] [<00000000f0d9ea2f>] max9286_probe+0x76e/0xbff [max9286] [<00000000ea8f6455>] i2c_device_probe+0x28d/0x680 [<0000000087529af3>] really_probe+0x17c/0x3f0 [<00000000b08be526>] __driver_probe_device+0xe3/0x170 [<000000004382edea>] driver_probe_device+0x49/0x120 [<000000007bde528a>] __device_attach_driver+0xf7/0x150 [<000000009f9c6ab4>] bus_for_each_drv+0x114/0x180 [<00000000c8aaf588>] __device_attach+0x1e5/0x2d0 [<0000000041cc06b9>] bus_probe_device+0x126/0x140 [<000000002309860d>] device_add+0x810/0x1130 [<000000002827bf98>] i2c_new_client_device+0x359/0x4f0 [<00000000593bdc85>] of_i2c_register_device+0xf1/0x110 max9286_v4l2_register() calls v4l2_ctrl_new_std(), but won't free the created v412_ctrl when fwnode_graph_get_endpoin",
    "evidence": "osv:CVE-2023-53700",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.173",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.99",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53700",
      "aliases": [
        "CVE-2023-53700"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "66d8c9d2422da21ed41f75c03ba0685987b65fe0"
                },
                {
                  "fixed": "505ff3a0c5951684c3a43094ca4c1a74683d5681"
                },
                {
                  "fixed": "5897fe3ebe8252993579e1bee715ebfe5504e052"
                },
                {
                  "fixed": "724039e013b34f46344abdbf8c74e6a65a828327"
                },
                {
                  "fixed": "5e31213fa017c20ccc989033a5f4a626473aa2ca"
                },
                {
                  "fixed": "8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53700.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.9.0"
                },
                {
                  "fixed": "5.10.173"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.99"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53700.json"
          }
        }
      ],
      "modified": "2026-10-30T02:31:04.087631500Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/505ff3a0c5951684c3a43094ca4c1a74683d5681",
        "https://git.kernel.org/stable/c/5897fe3ebe8252993579e1bee715ebfe5504e052",
        "https://git.kernel.org/stable/c/5e31213fa017c20ccc989033a5f4a626473aa2ca",
        "https://git.kernel.org/stable/c/724039e013b34f46344abdbf8c74e6a65a828327",
        "https://git.kernel.org/stable/c/8636c5fc7658c7c6299fb8b352d24ea4b9ba99e2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53700.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53700",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53700.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53700",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521395,
  "published_at": "2025-10-22T13:23:39.56+00:00"
}