{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-99045",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.387Z",
        "datePublished": "2026-10-23T12:22:09.352Z",
        "dateUpdated": "2026-10-23T12:22:09.352Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-23T12:22:09.352Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nibmveth: h_free logical LAN on open-fail after register\n\nibmveth_open() registers the logical LAN, then allocates the RX\nbuffer pools. A pool failure jumps to out_free_buffer_pools without\nh_free_logical_lan(), so PHYP still owns the buffer-list page when\nit is unmapped. request_irq() failure already issued the hypercall\nbefore taking the same label.\n\nMove that h_free to the shared post-register unwind so both paths\nderegister before the buffer list is unmapped."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/ibm/ibmveth.c"
                    ],
                    "versions": [
                        {
                            "version": "d43732ce021f4244a4c53a45d57ad0c13c30ed94",
                            "lessThan": "decb4d4ead2c71ef698727734ab5024a872eb372",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d43732ce021f4244a4c53a45d57ad0c13c30ed94",
                            "lessThan": "c54bbdf6f0731102a4bf7f5e4ee535b3ea415996",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d43732ce021f4244a4c53a45d57ad0c13c30ed94",
                            "lessThan": "a065bd31ec462f6f9c267026b708dd020f122723",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d43732ce021f4244a4c53a45d57ad0c13c30ed94",
                            "lessThan": "d24fdec1413c656d29298097926e77542785ca0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d43732ce021f4244a4c53a45d57ad0c13c30ed94",
                            "lessThan": "af0524bf4ce1a4cbd2946aa81751582951cfcab5",
                            "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/net/ethernet/ibm/ibmveth.c"
                    ],
                    "versions": [
                        {
                            "version": "4.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "4.13",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.13",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.13",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.13",
                                    "versionEndExcluding": "7.2.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.13",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/decb4d4ead2c71ef698727734ab5024a872eb372"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c54bbdf6f0731102a4bf7f5e4ee535b3ea415996"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a065bd31ec462f6f9c267026b708dd020f122723"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d24fdec1413c656d29298097926e77542785ca0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/af0524bf4ce1a4cbd2946aa81751582951cfcab5"
                }
            ],
            "title": "ibmveth: h_free logical LAN on open-fail after register",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}