FKIE_CVE-2026-98657

Vulnerability from fkie_nvd - Published: 2026-10-18 16:17 - Updated: 2026-10-30 13:21
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: proximity: pulsedlight: fix iio_device left registered on PM setup failure pm_runtime_set_active() failing in probe() jumps to error_unreg_buffer, which only calls iio_triggered_buffer_cleanup() -- it does not undo the iio_device_register() that already succeeded a few lines above. probe() then returns the error, the devm-managed indio_dev is freed, but the iio core still has it registered: the sysfs/chardev nodes stay live and point at freed memory. Add an error_unreg_dev label that unregisters the iio device before falling through to the existing buffer cleanup, mirroring the teardown order already used in lidar_remove().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/06fa13c53442257b94ea1519555ceddaaea57e0d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/20ebd7f4e35c0a737f011bc83aeb0cdd37507648
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c8211eef98929c5188f8c2224e83b9a63b41bd1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/58e68e5272a319fff4a704df1ac41e9e3c69587c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e462b47b9637b8c0285f4a38b5af9a322847d164
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/proximity/pulsedlight-lidar-lite-v2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "58e68e5272a319fff4a704df1ac41e9e3c69587c",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "2c8211eef98929c5188f8c2224e83b9a63b41bd1",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "06fa13c53442257b94ea1519555ceddaaea57e0d",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "20ebd7f4e35c0a737f011bc83aeb0cdd37507648",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "e462b47b9637b8c0285f4a38b5af9a322847d164",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            },
            {
              "lessThan": "4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf",
              "status": "affected",
              "version": "4ac4e086fd8c59e6b69089e6f7605500b63a6d17",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iio/proximity/pulsedlight-lidar-lite-v2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.5"
            },
            {
              "lessThan": "4.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.273",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.224",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.191",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.56",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: proximity: pulsedlight: fix iio_device left registered on PM setup failure\n\npm_runtime_set_active() failing in probe() jumps to error_unreg_buffer,\nwhich only calls iio_triggered_buffer_cleanup() -- it does not undo the\niio_device_register() that already succeeded a few lines above. probe()\nthen returns the error, the devm-managed indio_dev is freed, but the\niio core still has it registered: the sysfs/chardev nodes stay live and\npoint at freed memory.\n\nAdd an error_unreg_dev label that unregisters the iio device before\nfalling through to the existing buffer cleanup, mirroring the teardown\norder already used in lidar_remove()."
    }
  ],
  "id": "CVE-2026-98657",
  "lastModified": "2026-10-30T13:21:16.460",
  "metrics": {},
  "published": "2026-10-18T16:17:19.013",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/06fa13c53442257b94ea1519555ceddaaea57e0d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/20ebd7f4e35c0a737f011bc83aeb0cdd37507648"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2c8211eef98929c5188f8c2224e83b9a63b41bd1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4a564e39cb99234e8c5b0a39aa30edcc8cf4cf1b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4daa9ca557b4b98ae1ad38a6d1deaa3e31eb8edf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/58e68e5272a319fff4a704df1ac41e9e3c69587c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/93ecee9ff3af4c2b482fdd4ec98c3308e8dd23a6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e462b47b9637b8c0285f4a38b5af9a322847d164"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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