{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98208",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.325Z",
        "datePublished": "2026-10-06T08:44:45.098Z",
        "dateUpdated": "2026-10-19T09:15:39.242Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:15:39.242Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: sdio_uart: fix xmit_fifo leak when the port table is full\n\nsdio_uart_add_port() allocates the transmit fifo before claiming a\nslot in sdio_uart_table[].  When all UART_NR slots are taken, it\nreturns -EBUSY with the fifo still allocated, but the probe error\npath only kfree()s the port, leaking the transmit fifo.\n\nFree the fifo in the failure path of sdio_uart_add_port() itself so\nthe function retains nothing on error."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mmc/core/sdio_uart.c"
                    ],
                    "versions": [
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "9e992d59138fcfaa4bad7cc0750265b0a8bca100",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "b97b5b66c93cb4aaf6358727a73fff880a774dfd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "8a2c1bf209ba04cbd14153a771724bd5aa522fcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "72f4c2b7a48423c708f2c348585419a1b71ab04c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "fd8223c53ad9553b2a349d2a40e19bbc6e60fc48",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "ac866db277a4c73e84b4263773652e3aba326249",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "5e142adbbdc54afbd01fad476c91cded41d22594",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b197a5ce7a7218bb9fc721647ba0d5734f27348",
                            "lessThan": "53823e25793a97d07e6e98e0904bbf74cac8bc76",
                            "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/mmc/core/sdio_uart.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.34",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.34",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "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": "2.6.34",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.18.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9e992d59138fcfaa4bad7cc0750265b0a8bca100"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b97b5b66c93cb4aaf6358727a73fff880a774dfd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a2c1bf209ba04cbd14153a771724bd5aa522fcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/72f4c2b7a48423c708f2c348585419a1b71ab04c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd8223c53ad9553b2a349d2a40e19bbc6e60fc48"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ac866db277a4c73e84b4263773652e3aba326249"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e142adbbdc54afbd01fad476c91cded41d22594"
                },
                {
                    "url": "https://git.kernel.org/stable/c/53823e25793a97d07e6e98e0904bbf74cac8bc76"
                }
            ],
            "title": "mmc: sdio_uart: fix xmit_fifo leak when the port table is full",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}