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iio: adc: ti-ads1119: fix PM reference leak in buffer preenable

Type: advisorySource: OSV1 source record

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-ads1119: fix PM reference leak in buffer preenable ads1119_triggered_buffer_preenable() resumes the device with pm_runtime_resume_and_get() before starting a conversion. If i2c_smbus_write_byte() fails, the function returns the error directly and leaves the runtime PM usage counter elevated. The matching postdisable callback is not called when preenable fails, so the reference is leaked and the device may remain runtime-active indefinitely. Store the I2C transfer result in ret and drop the runtime PM reference on failure before returning the error.

Announced Source revision 1
Original source ↗

CVE-2026-64499

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:CVE-2026-64499

Kernel

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
6.12.96

Source reference: /affected/1/ranges

6.18.39

Source reference: /affected/1/ranges

7.1.4

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
        "type": "GIT",
        "events": [
          {
            "introduced": "a9306887eba41c5fe7232727a8147da3d3c4f83c"
          },
          {
            "fixed": "f40292fb19399a3c3f82de698023ba87c01e66cf"
          },
          {
            "fixed": "ffb2195921c3d629194b9807de589578df9f9cb8"
          },
          {
            "fixed": "6537f08100189d12bec4975000244e6ac4873c28"
          },
          {
            "fixed": "adf4bc07f814da8329278d32600147f5a150938c"
          }
        ]
      }
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64499.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.11.0"
          },
          {
            "fixed": "6.12.96"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.13.0"
          },
          {
            "fixed": "6.18.39"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.19.0"
          },
          {
            "fixed": "7.1.4"
          }
        ]
      }
    ],
    "package": {
      "name": "Kernel",
      "ecosystem": "Linux"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64499.json"
    }
  }
]
Related CVEs
CVE-2026-64499

Source reference: /id

Publisher severity

No explicit severity was provided.

Event
#50686 · Revision 1
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Publisher date
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