{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43221",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.994Z",
        "datePublished": "2026-05-06T11:28:21.579Z",
        "dateUpdated": "2026-05-11T22:20:20.815Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:20:20.815Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ipmb: initialise event handler read bytes\n\nIPMB doesn't use i2c reads, but the handler needs to set a value.\nOtherwise an i2c read will return an uninitialised value from the bus\ndriver."
                }
            ],
            "affected": [
                {
                    "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"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.18.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9"
                }
            ],
            "title": "ipmi: ipmb: initialise event handler read bytes",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}