{
  "cveId": "CVE-2023-53637",
  "url": "https://patchblox.com/security/cve/CVE-2023-53637",
  "summary": "CVE-2023-53637 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53637, released October 7, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  media: i2c: ov772x: Fix memleak in ov772x_probe(...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  media: i2c: ov772x: Fix memleak in ov772x_probe()  A memory leak was reported when testing ov772x with bpf mock device:  AssertionError: unreferenced object 0xffff888109afa7a8 (size 8):   comm \u0022python3\u0022, pid 279, jiffies 4294805921 (age 20.681s)   hex dump (first 8 bytes):     80 22 88 15 81 88 ff ff                          .\u0022......   backtrace:     [\u003C000000009990b438\u003E] __kmalloc_node\u002B0x44/0x1b0     [\u003C000000009e32f7d7\u003E] kvmalloc_node\u002B0x34/0x180     [\u003C00000000faf48134\u003E] v4l2_ctrl_handler_init_class\u002B0x11d/0x180 [videodev]     [\u003C00000000da376937\u003E] ov772x_probe\u002B0x1c3/0x68c [ov772x]     [\u003C000000003f0d225e\u003E] i2c_device_probe\u002B0x28d/0x680     [\u003C00000000e0b6db89\u003E] really_probe\u002B0x17c/0x3f0     [\u003C000000001b19fcee\u003E] __driver_probe_device\u002B0xe3/0x170     [\u003C0000000048370519\u003E] driver_probe_device\u002B0x49/0x120     [\u003C000000005ead07a0\u003E] __device_attach_driver\u002B0xf7/0x150     [\u003C0000000043f452b8\u003E] bus_for_each_drv\u002B0x114/0x180     [\u003C00000000358e5596\u003E] __device_attach\u002B0x1e5/0x2d0     [\u003C0000000043f83c5d\u003E] bus_probe_device\u002B0x126/0x140     [\u003C00000000ee0f3046\u003E] device_add\u002B0x810/0x1130     [\u003C00000000e0278184\u003E] i2c_new_client_device\u002B0x359/0x4f0     [\u003C0000000070baf34f\u003E] of_i2c_register_device\u002B0xf1/0x110     [\u003C00000000a9f2159d\u003E] of_i2c_notify\u002B0x100/0x160 unreferenced object 0xffff888119825c00 (size 256):   comm \u0022python3\u0022, pid 279, jiffies 4294805921 (age 20.681s)   hex dump (first 32 bytes):     00 b4 a5 17 81 88 ff ff 00 5e 82 19 81 88 ff ff  .........^......     10 5c 82 19 81 88 ff ff 10 5c 82 19 81 88 ff ff  .\\.......\\......   backtrace:     [\u003C000000009990b438\u003E] __kmalloc_node\u002B0x44/0x1b0     [\u003C000000009e32f7d7\u003E] kvmalloc_node\u002B0x34/0x180     [\u003C0000000073d88e0b\u003E] v4l2_ctrl_new.cold\u002B0x19b/0x86f [videodev]     [\u003C00000000b1f576fb\u003E] v4l2_ctrl_new_std\u002B0x16f/0x210 [videodev]     [\u003C00000000caf7ac99\u003E] ov772x_probe\u002B0x1fa/0x68c [ov772x]     [\u003C000000003f0d225e\u003E] i2c_device_probe\u002B0x28d/0x680     [\u003C00000000e0b6db89\u003E] really_probe\u002B0x17c/0x3f0     [\u003C000000001b19fcee\u003E] __driver_probe_device\u002B0xe3/0x170     [\u003C0000000048370519\u003E] driver_probe_device\u002B0x49/0x120     [\u003C000000005ead07a0\u003E] __device_attach_driver\u002B0xf7/0x150     [\u003C0000000043f452b8\u003E] bus_for_each_drv\u002B0x114/0x180     [\u003C00000000358e5596\u003E] __device_attach\u002B0x1e5/0x2d0     [\u003C0000000043f83c5d\u003E] bus_probe_device\u002B0x126/0x140     [\u003C00000000ee0f3046\u003E] device_add\u002B0x810/0x1130     [\u003C00000000e0278184\u003E] i2c_new_client_device\u002B0x359/0x4f0     [\u003C0000000070baf34f\u003E] of_i2c_register_device\u002B0xf1/0x110  The reason is that if priv-\u003Ehdl.error is set, ov772x_probe() jumps to the error_mutex_destroy without doing v4l2_ctrl_handler_free(), and all resources allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() are leaked.",
  "published": "2025-10-07T16:15:46Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00203,
  "epssPercentile": 0.10315,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53637",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53637",
      "released": "2025-10-07T16:15:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53637",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53637",
      "released": "2025-10-07T16:15:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.20-1",
      "fix": "DEBIAN-CVE-2023-53637",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53637",
      "released": "2025-10-07T16:15:46Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}