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CVE-2026-64227 ACPI: driver: Check ACPI_COMPANION() against NULL during probe

🗓️ 24 Jul 2026 15:23:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2026-64227 adds NULL checks for ACPI companion or handle during probes and returns -ENODEV for thermal zones.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64227
24 Jul 202615:23
attackerkb
CVE
CVE-2026-64227
24 Jul 202615:23
cve
Debian CVE
CVE-2026-64227
24 Jul 202615:23
debiancve
EUVD
EUVD-2026-48635
24 Jul 202615:23
euvd
NVD
CVE-2026-64227
24 Jul 202616:16
nvd
Positive Technologies
PT-2026-64342
24 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/acpi/ac.c",
      "drivers/acpi/acpi_pad.c",
      "drivers/acpi/acpi_tad.c",
      "drivers/acpi/battery.c",
      "drivers/acpi/button.c",
      "drivers/acpi/ec.c",
      "drivers/acpi/hed.c",
      "drivers/acpi/nfit/core.c",
      "drivers/acpi/pfr_telemetry.c",
      "drivers/acpi/pfr_update.c",
      "drivers/acpi/sbs.c",
      "drivers/acpi/sbshc.c",
      "drivers/acpi/thermal.c",
      "drivers/acpi/tiny-power-button.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "f1e12d81f9cd250e722da01c7670b518d4181406",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a9451bf561232314755baf69a5916e0ac77f33fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "34f4d0e4e5065237d15651df759a99e81b7f9f51",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "612ddab8fce04394bd7aebe8e0f2599642e30859",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "e4865a56d013e86e46ea6acea15bb6eae01898ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.6.145",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.97",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.40",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.0.11",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/acpi/ac.c",
      "drivers/acpi/acpi_pad.c",
      "drivers/acpi/acpi_tad.c",
      "drivers/acpi/battery.c",
      "drivers/acpi/button.c",
      "drivers/acpi/ec.c",
      "drivers/acpi/hed.c",
      "drivers/acpi/nfit/core.c",
      "drivers/acpi/pfr_telemetry.c",
      "drivers/acpi/pfr_update.c",
      "drivers/acpi/sbs.c",
      "drivers/acpi/sbshc.c",
      "drivers/acpi/thermal.c",
      "drivers/acpi/tiny-power-button.c"
    ],
    "versions": [
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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