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iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable atlas_buffer_postenable() acquires a runtime PM reference with pm_runtime_resume_and_get() but returns the result of atlas_set_interrupt() directly. If atlas_set_interrupt() fails, the runtime PM reference is leaked and the device can never autosuspend. Add pm_runtime_put_autosuspend() on the error path to balance the reference.

Announced Group revision 1
Original source ↗

CVE-2026-89939

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: cve:CVE-2026-89939

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "c7e91ae6d7802170f53ece09a4ecc6302265d3e4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "a595f4d3e4ee1c91c62a298730a77b16dc26b426",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "72daa7eb7fc6202fece0bb56487d72af5c49ccdf",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "43bce901047e95bbf8fb63eb471460642e497604",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "777e8ebfe6b3fa733694977f0f4cf849e07e925c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0e4f336f50debeacd0f81e931e8451f2ae03f685",
        "lessThan": "bcd3f72e26314edfce7eaf8d7160b3119c7b7fed",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/iio/chemical/atlas-sensor.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.14"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.14",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.221",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.188",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.157",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.110",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.51",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.5",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/iio/chemical/atlas-sensor.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-89939

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#36380 · Revision 1
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Publisher date
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