FKIE_CVE-2023-53637

Vulnerability from fkie_nvd - Published: 2025-10-07 16:15 - Updated: 2026-02-03 22:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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 "python3", pid 279, jiffies 4294805921 (age 20.681s) hex dump (first 8 bytes): 80 22 88 15 81 88 ff ff ."...... backtrace: [<000000009990b438>] __kmalloc_node+0x44/0x1b0 [<000000009e32f7d7>] kvmalloc_node+0x34/0x180 [<00000000faf48134>] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [<00000000da376937>] ov772x_probe+0x1c3/0x68c [ov772x] [<000000003f0d225e>] i2c_device_probe+0x28d/0x680 [<00000000e0b6db89>] really_probe+0x17c/0x3f0 [<000000001b19fcee>] __driver_probe_device+0xe3/0x170 [<0000000048370519>] driver_probe_device+0x49/0x120 [<000000005ead07a0>] __device_attach_driver+0xf7/0x150 [<0000000043f452b8>] bus_for_each_drv+0x114/0x180 [<00000000358e5596>] __device_attach+0x1e5/0x2d0 [<0000000043f83c5d>] bus_probe_device+0x126/0x140 [<00000000ee0f3046>] device_add+0x810/0x1130 [<00000000e0278184>] i2c_new_client_device+0x359/0x4f0 [<0000000070baf34f>] of_i2c_register_device+0xf1/0x110 [<00000000a9f2159d>] of_i2c_notify+0x100/0x160 unreferenced object 0xffff888119825c00 (size 256): comm "python3", 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: [<000000009990b438>] __kmalloc_node+0x44/0x1b0 [<000000009e32f7d7>] kvmalloc_node+0x34/0x180 [<0000000073d88e0b>] v4l2_ctrl_new.cold+0x19b/0x86f [videodev] [<00000000b1f576fb>] v4l2_ctrl_new_std+0x16f/0x210 [videodev] [<00000000caf7ac99>] ov772x_probe+0x1fa/0x68c [ov772x] [<000000003f0d225e>] i2c_device_probe+0x28d/0x680 [<00000000e0b6db89>] really_probe+0x17c/0x3f0 [<000000001b19fcee>] __driver_probe_device+0xe3/0x170 [<0000000048370519>] driver_probe_device+0x49/0x120 [<000000005ead07a0>] __device_attach_driver+0xf7/0x150 [<0000000043f452b8>] bus_for_each_drv+0x114/0x180 [<00000000358e5596>] __device_attach+0x1e5/0x2d0 [<0000000043f83c5d>] bus_probe_device+0x126/0x140 [<00000000ee0f3046>] device_add+0x810/0x1130 [<00000000e0278184>] i2c_new_client_device+0x359/0x4f0 [<0000000070baf34f>] of_i2c_register_device+0xf1/0x110 The reason is that if priv->hdl.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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1da495101ef7507eb4f4b1dbec2874d740eff251Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/448ce1cd50387b1345ec14eb191ef05f7afc2a26Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7485edb2b6ca5960205c0a49bedfd09bba30e521Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac93f8ac66e60227bed42d5a023f0e6c15b52c0aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c86d760c1c6855a6131e78d0ddacc48c79324ac3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc3b6011d7a9f149489eb9420c6305a779162c57Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfaafeb8e9537969e8dba75491f732478c7fa9d6Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "65A6A7A7-8753-4F07-BCF7-E695771C7481",
              "versionEndExcluding": "4.19.276",
              "versionStartIncluding": "4.17",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "13DD5E68-8CB4-46EE-9A8F-C7F6C1A84430",
              "versionEndExcluding": "5.4.235",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D810CFB-B7C5-493C-B98A-0D5F0D8A47B6",
              "versionEndExcluding": "5.10.173",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B8B2AC9-2F31-4A0F-96F5-7E26B50B27BB",
              "versionEndExcluding": "5.15.99",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0FD95FDA-6525-4B13-B3FB-49D9995FD8ED",
              "versionEndExcluding": "6.1.16",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "88C67289-22AD-4CA9-B202-5F5A80E5BA4B",
              "versionEndExcluding": "6.2.3",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: i2c: ov772x: Fix memleak in ov772x_probe()\n\nA memory leak was reported when testing ov772x with bpf mock device:\n\nAssertionError: unreferenced object 0xffff888109afa7a8 (size 8):\n  comm \"python3\", pid 279, jiffies 4294805921 (age 20.681s)\n  hex dump (first 8 bytes):\n    80 22 88 15 81 88 ff ff                          .\"......\n  backtrace:\n    [\u003c000000009990b438\u003e] __kmalloc_node+0x44/0x1b0\n    [\u003c000000009e32f7d7\u003e] kvmalloc_node+0x34/0x180\n    [\u003c00000000faf48134\u003e] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev]\n    [\u003c00000000da376937\u003e] ov772x_probe+0x1c3/0x68c [ov772x]\n    [\u003c000000003f0d225e\u003e] i2c_device_probe+0x28d/0x680\n    [\u003c00000000e0b6db89\u003e] really_probe+0x17c/0x3f0\n    [\u003c000000001b19fcee\u003e] __driver_probe_device+0xe3/0x170\n    [\u003c0000000048370519\u003e] driver_probe_device+0x49/0x120\n    [\u003c000000005ead07a0\u003e] __device_attach_driver+0xf7/0x150\n    [\u003c0000000043f452b8\u003e] bus_for_each_drv+0x114/0x180\n    [\u003c00000000358e5596\u003e] __device_attach+0x1e5/0x2d0\n    [\u003c0000000043f83c5d\u003e] bus_probe_device+0x126/0x140\n    [\u003c00000000ee0f3046\u003e] device_add+0x810/0x1130\n    [\u003c00000000e0278184\u003e] i2c_new_client_device+0x359/0x4f0\n    [\u003c0000000070baf34f\u003e] of_i2c_register_device+0xf1/0x110\n    [\u003c00000000a9f2159d\u003e] of_i2c_notify+0x100/0x160\nunreferenced object 0xffff888119825c00 (size 256):\n  comm \"python3\", pid 279, jiffies 4294805921 (age 20.681s)\n  hex dump (first 32 bytes):\n    00 b4 a5 17 81 88 ff ff 00 5e 82 19 81 88 ff ff  .........^......\n    10 5c 82 19 81 88 ff ff 10 5c 82 19 81 88 ff ff  .\\.......\\......\n  backtrace:\n    [\u003c000000009990b438\u003e] __kmalloc_node+0x44/0x1b0\n    [\u003c000000009e32f7d7\u003e] kvmalloc_node+0x34/0x180\n    [\u003c0000000073d88e0b\u003e] v4l2_ctrl_new.cold+0x19b/0x86f [videodev]\n    [\u003c00000000b1f576fb\u003e] v4l2_ctrl_new_std+0x16f/0x210 [videodev]\n    [\u003c00000000caf7ac99\u003e] ov772x_probe+0x1fa/0x68c [ov772x]\n    [\u003c000000003f0d225e\u003e] i2c_device_probe+0x28d/0x680\n    [\u003c00000000e0b6db89\u003e] really_probe+0x17c/0x3f0\n    [\u003c000000001b19fcee\u003e] __driver_probe_device+0xe3/0x170\n    [\u003c0000000048370519\u003e] driver_probe_device+0x49/0x120\n    [\u003c000000005ead07a0\u003e] __device_attach_driver+0xf7/0x150\n    [\u003c0000000043f452b8\u003e] bus_for_each_drv+0x114/0x180\n    [\u003c00000000358e5596\u003e] __device_attach+0x1e5/0x2d0\n    [\u003c0000000043f83c5d\u003e] bus_probe_device+0x126/0x140\n    [\u003c00000000ee0f3046\u003e] device_add+0x810/0x1130\n    [\u003c00000000e0278184\u003e] i2c_new_client_device+0x359/0x4f0\n    [\u003c0000000070baf34f\u003e] of_i2c_register_device+0xf1/0x110\n\nThe reason is that if priv-\u003ehdl.error is set, ov772x_probe() jumps to the\nerror_mutex_destroy without doing v4l2_ctrl_handler_free(), and all\nresources allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std()\nare leaked."
    }
  ],
  "id": "CVE-2023-53637",
  "lastModified": "2026-02-03T22:30:16.320",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-10-07T16:15:46.883",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1da495101ef7507eb4f4b1dbec2874d740eff251"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/448ce1cd50387b1345ec14eb191ef05f7afc2a26"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7485edb2b6ca5960205c0a49bedfd09bba30e521"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ac93f8ac66e60227bed42d5a023f0e6c15b52c0a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c86d760c1c6855a6131e78d0ddacc48c79324ac3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/cc3b6011d7a9f149489eb9420c6305a779162c57"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/dfaafeb8e9537969e8dba75491f732478c7fa9d6"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.