CVE-2026-43221 ipmi: ipmb: initialise event handler read bytes

🗓️ 06 May 2026 11:28:21Reported by LinuxType

CVE-2026-43221: ipmi ipmb initialises event handler bytes to avoid uninitialised i2c reads.

Reporter	Title	Published	Views	Family All 16
ATTACKERKB	CVE-2026-43221	6 May 202611:28	–	attackerkb
AstraLinux	Astra Linux - уязвимость в linux-5.10	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	6 May 202600:00	–	cnnvd
CVE	CVE-2026-43221	6 May 202611:28	–	cve
Debian CVE	CVE-2026-43221	6 May 202611:28	–	debiancve
EUVD	EUVD-2026-27783	6 May 202612:30	–	euvd
NVD	CVE-2026-43221	6 May 202612:16	–	nvd
OSV	BELL-CVE-2026-43221	9 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-43221	6 May 202612:16	–	osv
OSV	ROOT-OS-UBUNTU-2404-CVE-2026-43221 CVE-2026-43221 in rootio-linux - Patched by Root	15 Jun 202607:34	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/char/ipmi/ipmi_ipmb.c"
    ],
    "versions": [
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "905554ebd76aeee370bfd5136ea11e0b9d75c6f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "56d5c0557e53c4d8d92a619fa83eaae178165e07",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "2dfbc8c17dd161885336e77e71c336cd62cf6748",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "f726b3a57e00bb6249c67714c11ae8b4b31719a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "102712417bb6aa9a00d852bc59cb0a276db486c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63c4eb347164845b380089012fe43992511c0ad3",
        "lessThan": "9f235ccecd03c436cb1683eac16b12f119e54aa9",
        "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/char/ipmi/ipmi_ipmb.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1
git	www.git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9
git	www.git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748
git	www.git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07
git	www.git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1
git	www.git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4

11 May 2026 22:20Current

EPSS0.00128