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CVE-2026-74549 hwmon: (nct6775-core) Prevent access to unsupported weight registers

🗓️ 15 Aug 2026 12:27:56Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

nct6775-core driver OOB read from 3-element weight register arrays causes invalid hardware access.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hwmon/nct6775-core.c"
    ],
    "versions": [
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "0d11b2a10269ace29832f584d207ff3768f79dc5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "4a77f1d72c6db04cbbfab0250292ac71fdea5f0a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "513d847f7a95bbdbeaaf55fb942c38992587734f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "25b528816f5d83be5236dc182692369e8c9402b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "689082a4cb166a7ae9729f7b12339e69fdad6c52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "1b722740ac5c2b2070f9ba922f4e0f227faf0246",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "4ad2972ef0e1bd1018ad7a72661a4636ed7daecc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c7cb485b321c024dedc168bcbb04451176b163",
        "lessThan": "d0b704e569ac3b8416d8e02270cdc9bf830ed395",
        "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/nct6775-core.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Aug 2026 16:38Current
CVSS 3.17.8
EPSS0.0013
36