CVE-2026-64135

🗓️ 19 Jul 2026 15:40:29Reported by LinuxType

Fixed overflow in adm1266 blackbox info by widening buffer to I2C_SMBUS_BLOCK_MAX for SMBus blocks.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-64135	19 Jul 202615:40	–	attackerkb
Cvelist	CVE-2026-64135 hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX	19 Jul 202615:40	–	cvelist
EUVD	EUVD-2026-45820	19 Jul 202615:40	–	euvd
NVD	CVE-2026-64135	19 Jul 202616:17	–	nvd
OSV	CVE-2026-64135 hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX	19 Jul 202615:40	–	osv
OSV	DEBIAN-CVE-2026-64135	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64135	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61452	19 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.10–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.142

linux linux_kernelRange6.7.0–6.12.92

linux linux_kernelRange6.13.0–6.18.34

linux linux_kernelRange6.19.0–7.0.11

linux linux_kernelRange7.1.0≥

[
  {
    "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": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "33251abb9c9dd62943be76f0427c5527ee39188f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "ba09f4baa5bd96c5d26c942defa546a72dbbe5bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "6ed16a40b162e9d87d9ac8bed4d7f0e3e807700e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "0dbf64c502443c08c2e28a77ecbfcc5479d93228",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "2b7a698d5093b548c464828d984f05ced5f3fd2a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "ca560f7566df7e2826c2999e959e6b94eb938f76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "7f705e581ef3e6bb308a121a89adf5237d968204",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15609d1893020436e1e8ccfd9ded774a96dd17a2",
        "lessThan": "eee213daa1e1b402eb631bcd1b8c5aa340a6b081",
        "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/ba09f4baa5bd96c5d26c942defa546a72dbbe5bf
git	www.git.kernel.org/stable/c/2b7a698d5093b548c464828d984f05ced5f3fd2a
git	www.git.kernel.org/stable/c/7f705e581ef3e6bb308a121a89adf5237d968204
git	www.git.kernel.org/stable/c/eee213daa1e1b402eb631bcd1b8c5aa340a6b081
git	www.git.kernel.org/stable/c/6ed16a40b162e9d87d9ac8bed4d7f0e3e807700e
git	www.git.kernel.org/stable/c/ca560f7566df7e2826c2999e959e6b94eb938f76
git	www.git.kernel.org/stable/c/33251abb9c9dd62943be76f0427c5527ee39188f
git	www.git.kernel.org/stable/c/0dbf64c502443c08c2e28a77ecbfcc5479d93228

19 Jul 2026 16:17Current

5.5Medium risk

Vulners AI Score5.5