CVE-2026-64084 hwmon: (pmbus/adm1266) cap PDIO scan in get_multiple at ADM1266_PDIO_NR

🗓️ 19 Jul 2026 15:39:55Reported by LinuxType

Fixed PDIO scan overflow in ADM1266 get_multiple; bound uses ADM1266_PDIO_NR.

Reporter	Title	Published	Views	Family All 42
Circl	CVE-2026-64084	3 Aug 202609:11	–	circl
CVE	CVE-2026-64084	19 Jul 202615:39	–	cve
Debian CVE	CVE-2026-64084	19 Jul 202615:39	–	debiancve
EUVD	EUVD-2026-45657	19 Jul 202615:39	–	euvd
NVD	CVE-2026-64084	19 Jul 202616:17	–	nvd
OSV	BELL-CVE-2026-64084	22 Jul 202606:04	–	osv
OSV	DEBIAN-CVE-2026-64084	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64084	20 Jul 202600:00	–	osv
OSV	USN-8575-1 linux, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-realtime, linux-xilinx-zynqmp vulnerabilities	21 Jul 202610:01	–	osv
OSV	USN-8575-2 linux-aws, linux-aws-5.15, linux-aws-fips, linux-fips, linux-ibm, linux-nvidia vulnerabilities	23 Jul 202608:14	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hwmon/pmbus/adm1266.c"
    ],
    "versions": [
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "d0593e15fdeb56048a72c5c6e720f702759d0ccd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "17cee2f59029039416e8f6303050038eb59ba149",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "299efd14c2eda7e5fd40025e54addd4151a01081",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "4d1da9a6be5a8156c532d571c2ed237169f99244",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "b96c7f0bc0713dc6403912f6527d4ff9168d6fe6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "fa7ca363069a70b0d1aa51e8892e3095fe2ac1ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "2aef8f08c479f4cbc83e1e6b19d1c94d4dd24f17",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d98dfad35c38c037b37c4adc99df01da571031a5",
        "lessThan": "d7834d92251baade796812876e95555e2066fa9f",
        "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/pmbus/adm1266.c"
    ],
    "versions": [
      {
        "version": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/fa7ca363069a70b0d1aa51e8892e3095fe2ac1ec
git	www.git.kernel.org/stable/c/17cee2f59029039416e8f6303050038eb59ba149
git	www.git.kernel.org/stable/c/b96c7f0bc0713dc6403912f6527d4ff9168d6fe6
git	www.git.kernel.org/stable/c/4d1da9a6be5a8156c532d571c2ed237169f99244
git	www.git.kernel.org/stable/c/2aef8f08c479f4cbc83e1e6b19d1c94d4dd24f17
git	www.git.kernel.org/stable/c/d7834d92251baade796812876e95555e2066fa9f
git	www.git.kernel.org/stable/c/299efd14c2eda7e5fd40025e54addd4151a01081
git	www.git.kernel.org/stable/c/d0593e15fdeb56048a72c5c6e720f702759d0ccd

05 Aug 2026 12:39Current

CVSS 3.17.8

EPSS0.00139