{"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":"2026-10-06T08:44:45.098Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-06T08:44:45.098Z"},"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-rc4","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-rc4"}]}]}],"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"}}}}