CVE-2026-64086

🗓️ 19 Jul 2026 15:39:56Reported by LinuxType

Linux kernel hwmon adm1266 fix enlarges read buffer to include length, payload, and PEC.

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-64086 hwmon: (pmbus/adm1266) include PEC byte in pmbus_block_xfer read buffer	19 Jul 202615:39	–	cvelist
EUVD	EUVD-2026-45659	19 Jul 202615:39	–	euvd
NVD	CVE-2026-64086	19 Jul 202616:17	–	nvd
OSV	CVE-2026-64086 hwmon: (pmbus/adm1266) include PEC byte in pmbus_block_xfer read buffer	19 Jul 202615:39	–	osv
OSV	DEBIAN-CVE-2026-64086	19 Jul 202619:48	–	osv
Positive Technologies	PT-2026-61403	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": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "397d3f523bfff2f4e3dacf9b1339bd76dc207f78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "472744f69d25a2d5111ad62f1d62579dce2c13c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "528a9f88e88502d0c2f2052a279415074cd83715",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "d94ceb16e55b6d8019ab069e357c76ac42f0ffbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "bd5be3fa5de6dbf61f1b3cec6b79c2c2f8065694",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "2279c342d94eca225bf9f301c8806a05a1c81619",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "a6c802145a8de0830bca803c6d415f7e9e683624",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "407dc802a9c0809ca6a48de4b4c63305eb84ef56",
        "lessThan": "487566cb1ccdf3756fdd7bf8d875e612ff3169bb",
        "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/bd5be3fa5de6dbf61f1b3cec6b79c2c2f8065694
git	www.git.kernel.org/stable/c/2279c342d94eca225bf9f301c8806a05a1c81619
git	www.git.kernel.org/stable/c/397d3f523bfff2f4e3dacf9b1339bd76dc207f78
git	www.git.kernel.org/stable/c/487566cb1ccdf3756fdd7bf8d875e612ff3169bb
git	www.git.kernel.org/stable/c/472744f69d25a2d5111ad62f1d62579dce2c13c8
git	www.git.kernel.org/stable/c/528a9f88e88502d0c2f2052a279415074cd83715
git	www.git.kernel.org/stable/c/d94ceb16e55b6d8019ab069e357c76ac42f0ffbc
git	www.git.kernel.org/stable/c/a6c802145a8de0830bca803c6d415f7e9e683624

19 Jul 2026 16:17Current

5.3Medium risk

Vulners AI Score5.3