{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72040",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.901Z",
        "datePublished": "2026-08-15T05:51:59.975Z",
        "dateUpdated": "2026-08-23T12:46:30.954Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-23T12:46:30.954Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: fix refcount leak in i_ipmi_request()\n\nWhen a caller provides a `supplied_recv` message to i_ipmi_request(),\nthe function increments the user's `nr_msgs` reference count. If an\nerror occurs later, the out_err cleanup path only frees the recv_msg\nif the function allocated it itself (i.e., !supplied_recv). In the\nsupplied_recv case the cleanup is skipped, leaving the reference count\nelevated. The caller ipmi_request_supply_msgs() does not release the\nsupplied_recv on error, so the reference is permanently leaked.\n\nFix this by explicitly reverting the reference count operations when a\nsupplied recv_msg with a valid user pointer is present in the error\npath: decrement nr_msgs and drop the user's kref."
                }
            ],
            "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_msghandler.c"
                    ],
                    "versions": [
                        {
                            "version": "f63723ca7d7623f9dae1990973cd158671f03c56",
                            "lessThan": "122ca6b2af714e114c9b872a48372ace31a9ab1f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "348121b29594d42d1635648fd3ed31dfa25351d5",
                            "lessThan": "9409e18ffe7378d202efe1cf69989df9f67b0369",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53d6e403affbf6df2c859a0ea00ccfc1e72090ca",
                            "lessThan": "e2a3b77df6aef031455dd83ea8ed4344b7dca1f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b52da4054ee0bf9ecb44996f2c83236ff50b3812",
                            "lessThan": "f5c5065963024390ddad51bd455d1adc710de575",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b52da4054ee0bf9ecb44996f2c83236ff50b3812",
                            "lessThan": "0fd23994ec8c5436d9f0b50848deb87ed933e6b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b52da4054ee0bf9ecb44996f2c83236ff50b3812",
                            "lessThan": "a3f3859cecacb64f18fd446271ece9a3b3f2d4de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.157",
                            "lessThan": "6.1.184",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.113",
                            "lessThan": "6.6.148",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.54",
                            "lessThan": "6.12.101",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.4",
                            "lessThan": "6.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/char/ipmi/ipmi_msghandler.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.1.157",
                                    "versionEndExcluding": "6.1.184"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.113",
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.54",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.17.4"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/122ca6b2af714e114c9b872a48372ace31a9ab1f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9409e18ffe7378d202efe1cf69989df9f67b0369"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e2a3b77df6aef031455dd83ea8ed4344b7dca1f9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f5c5065963024390ddad51bd455d1adc710de575"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0fd23994ec8c5436d9f0b50848deb87ed933e6b3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a3f3859cecacb64f18fd446271ece9a3b3f2d4de"
                }
            ],
            "title": "ipmi: fix refcount leak in i_ipmi_request()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}