media: ov2740: Fix memleak in ov2740_init_controls()

{
  "id": "71916cb8310498af540b3ffdabe8551120a115d0d2ec1d85504bfc9f0ff833cf",
  "url": "https://osv.dev/vulnerability/CVE-2023-53349",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "media: ov2740: Fix memleak in ov2740_init_controls()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: media: ov2740: Fix memleak in ov2740_init_controls() There is a kmemleak when testing the media/i2c/ov2740.c with bpf mock device: unreferenced object 0xffff8881090e19e0 (size 16): comm \"51-i2c-ov2740\", pid 278, jiffies 4294781584 (age 23.613s) hex dump (first 16 bytes): 00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj..... backtrace: [<000000004e9fad8f>] __kmalloc_node+0x44/0x1b0 [<0000000039c802f4>] kvmalloc_node+0x34/0x180 [<000000009b8b5c63>] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [<0000000038644056>] ov2740_probe+0x37d/0x84f [ov2740] [<0000000092489f59>] i2c_device_probe+0x28d/0x680 [<000000001038babe>] really_probe+0x17c/0x3f0 [<0000000098c7af1c>] __driver_probe_device+0xe3/0x170 [<00000000e1b3dc24>] device_driver_attach+0x34/0x80 [<000000005a04a34d>] bind_store+0x10b/0x1a0 [<00000000ce25d4f2>] drv_attr_store+0x49/0x70 [<000000007d9f4e9a>] sysfs_kf_write+0x8c/0xb0 [<00000000be6cff0f>] kernfs_fop_write_iter+0x216/0x2e0 [<0000000031ddb40a>] vfs_write+0x658/0x810 [<0000000041beecdd>] ksys_write+0xd6/0x1b0 [<0000000023755840>] do_syscall_64+0x38/0x90 [<00000000b2cc2da2>] entry_SYSCALL_64_after_hwframe+0x63/0xcd ov2740_init_controls() won't clean all the allocated resources in fail path, which may causes the memleaks. Add v4l2_ctrl_handler_free() to prevent memleak.",
    "evidence": "osv:CVE-2023-53349",
    "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": "medium",
    "structured": {
      "id": "CVE-2023-53349",
      "aliases": [
        "CVE-2023-53349"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "866edc895171f1256aad3e81dce193447955c202"
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                  "fixed": "a163ee11345d8322321c28bd61631de32455b987"
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                {
                  "fixed": "3969b2ebc66039306f505c7c630c5530800f83c0"
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                {
                  "fixed": "fc33380ae06f438b652f66b9370b543976ac8a03"
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                {
                  "fixed": "7c405ee63447f14eefcfe12a18aa749abbd596ea"
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                {
                  "fixed": "2d899592ed7829d0d5140853bac4d58742a6b8af"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53349.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.8.0"
                },
                {
                  "fixed": "5.10.173"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
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                {
                  "fixed": "5.15.99"
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
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                {
                  "fixed": "6.1.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
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                {
                  "fixed": "6.2.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53349.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.491322205Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af",
        "https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0",
        "https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea",
        "https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987",
        "https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53349.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53349",
        "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-2023-53349.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53349",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513540,
  "published_at": "2025-09-17T14:56:40.51+00:00"
}