{"id":"CVE-2026-98208","revision":"14e1deec4d9f41d193bf0d7bb79d4293","records":[{"revision":"14e1deec4d9f41d193bf0d7bb79d4293","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98208","aliases":[],"title":"mmc: sdio_uart: fix xmit_fifo leak when the port table is full","description":"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.","state":0,"publishedAt":"2026-10-06T08:44:45.098+00:00","modifiedAt":"2026-10-19T09:15:39.242+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/mmc/core/sdio_uart.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"9e992d59138fcfaa4bad7cc0750265b0a8bca100\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"b97b5b66c93cb4aaf6358727a73fff880a774dfd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"8a2c1bf209ba04cbd14153a771724bd5aa522fcd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"72f4c2b7a48423c708f2c348585419a1b71ab04c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"fd8223c53ad9553b2a349d2a40e19bbc6e60fc48\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"ac866db277a4c73e84b4263773652e3aba326249\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"5e142adbbdc54afbd01fad476c91cded41d22594\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8b197a5ce7a7218bb9fc721647ba0d5734f27348\",\n                            \"lessThan\": \"53823e25793a97d07e6e98e0904bbf74cac8bc76\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/mmc/core/sdio_uart.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.34\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.34\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.54\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/9e992d59138fcfaa4bad7cc0750265b0a8bca100","https://git.kernel.org/stable/c/b97b5b66c93cb4aaf6358727a73fff880a774dfd","https://git.kernel.org/stable/c/8a2c1bf209ba04cbd14153a771724bd5aa522fcd","https://git.kernel.org/stable/c/72f4c2b7a48423c708f2c348585419a1b71ab04c","https://git.kernel.org/stable/c/fd8223c53ad9553b2a349d2a40e19bbc6e60fc48","https://git.kernel.org/stable/c/ac866db277a4c73e84b4263773652e3aba326249","https://git.kernel.org/stable/c/5e142adbbdc54afbd01fad476c91cded41d22594","https://git.kernel.org/stable/c/53823e25793a97d07e6e98e0904bbf74cac8bc76"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98208","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98208","identifiers":["CVE-2026-98208"]},"retained":false,"historicalAffected":[]}],"coverage":[]}