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CVE-2026-74552 hwmon: (lm90) Only report alarms if driver is ready

🗓️ 15 Aug 2026 12:27:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

NULL pointer dereference in Linux kernel lm90 hwmon driver due to premature sysfs alarm access before driver initialization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74552
15 Aug 202612:27
attackerkb
cve
CVE
CVE-2026-74552
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74552
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59617
15 Aug 202612:27
euvd
nvd
NVD
CVE-2026-74552
15 Aug 202613:18
nvd
osv
OSV
DEBIAN-CVE-2026-74552
15 Aug 202613:18
osv
ptsecurity
Positive Technologies
PT-2026-73004
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hwmon/lm90.c"
    ],
    "versions": [
      {
        "version": "f6d0775119fb905fb02eafa98d575cf8ee792d46",
        "lessThan": "4eed33c7db5c0c573928d28d8a2c003642c679b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f6d0775119fb905fb02eafa98d575cf8ee792d46",
        "lessThan": "70d9a71aa407044d70b50d356b6decf6659c4d56",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f6d0775119fb905fb02eafa98d575cf8ee792d46",
        "lessThan": "075fce376cf852db9293481edce07c181a9b1f46",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f6d0775119fb905fb02eafa98d575cf8ee792d46",
        "lessThan": "f0b791a006512a48b6348494cb6960598fa99a58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f6d0775119fb905fb02eafa98d575cf8ee792d46",
        "lessThan": "aa9429edf9fc0e90d6f4da19ea4b5495a54ab117",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hwmon/lm90.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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