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CVE-2026-80951 i3c: master: svc: bound IBI payload to the requested max_payload_len

🗓️ 11 Sep 2026 19:42:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

OOB write in Linux i3c svc driver when IBI payload exceeds requested max_payload_len.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/i3c/master/svc-i3c-master.c"
    ],
    "versions": [
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "7c099b0b292a68d0ef558527945dbfb756fbf893",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "7cc5ba756bc1cfffab9cb2695742f9f479dc73f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "35aa6730b8c5626b879a4e893fe664f59bf07d7f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "f296a0d5907bf88314dfda67245f7f69d1552470",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "5697d779577e2786ff3348ae9b77020ac0cf0aab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "aac3c5aababc7fb69d5bf5b0cc52d308574e3a8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "dd3c52846d5954acd43f0e771689302f27dadc28",
        "lessThan": "e2bda39d7f9f285ec803e200b5c1f17143d0b483",
        "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/i3c/master/svc-i3c-master.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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