{"api_version":"1","generated_at":"2026-10-22T23:16:38+00:00","cve":"CVE-2026-98750","urls":{"html":"https://cve.report/CVE-2026-98750","api":"https://cve.report/api/cve/CVE-2026-98750.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98750","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98750"},"summary":{"title":"tty: fix saved termios reset race","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: fix saved termios reset race\n\nResetting saved termios state on device registration is needed where a\nminor number can be reused for an entirely different device and where\nthe old settings may prevent the port from even being opened (e.g. when\nCLOCAL is not set).\n\nNot all TTY drivers guarantee that the minor number is no longer in use\nwhen registering devices however, something which can lead to a\nuse-after-free when closing a TTY (and saving its termios) races with\nre-registration.\n\nAdd a new TTY_DRIVER_RESET_SAVED_TERMIOS flag to request that any saved\ntermios state is reset on registration and only set it for drivers that\nmake sure that the minor number is no longer in use.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:28","updated_at":"2026-10-21 13:21:43"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/dcaf0251f847a45861e94c6617024a9455687d2f","name":"https://git.kernel.org/stable/c/dcaf0251f847a45861e94c6617024a9455687d2f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6b4e15cccfbe03b7c6ae60ff570c401bfb1e51d6","name":"https://git.kernel.org/stable/c/6b4e15cccfbe03b7c6ae60ff570c401bfb1e51d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8df07fe93573e9e548d6645273e9bcb6eb74059e","name":"https://git.kernel.org/stable/c/8df07fe93573e9e548d6645273e9bcb6eb74059e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1572d86bcf0bcb848d20fc5e5de7ed6963034c2b","name":"https://git.kernel.org/stable/c/1572d86bcf0bcb848d20fc5e5de7ed6963034c2b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08bf919f041af9de372428bb0c938157ea144164","name":"https://git.kernel.org/stable/c/08bf919f041af9de372428bb0c938157ea144164","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98750","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98750","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 93857edd9829e144acb6c7e72d593f6e01aead66 6b4e15cccfbe03b7c6ae60ff570c401bfb1e51d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 93857edd9829e144acb6c7e72d593f6e01aead66 1572d86bcf0bcb848d20fc5e5de7ed6963034c2b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 93857edd9829e144acb6c7e72d593f6e01aead66 08bf919f041af9de372428bb0c938157ea144164 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 93857edd9829e144acb6c7e72d593f6e01aead66 dcaf0251f847a45861e94c6617024a9455687d2f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 93857edd9829e144acb6c7e72d593f6e01aead66 8df07fe93573e9e548d6645273e9bcb6eb74059e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.160 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.113 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.56 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.10 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98750","cve":"CVE-2026-98750","epss":"0.001680000","percentile":"0.057180000","score_date":"2026-10-21","updated_at":"2026-10-22 00:15:10"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/greybus/uart.c","drivers/tty/tty_io.c","drivers/usb/class/cdc-acm.c","drivers/usb/serial/usb-serial.c","include/linux/tty_driver.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6b4e15cccfbe03b7c6ae60ff570c401bfb1e51d6","status":"affected","version":"93857edd9829e144acb6c7e72d593f6e01aead66","versionType":"git"},{"lessThan":"1572d86bcf0bcb848d20fc5e5de7ed6963034c2b","status":"affected","version":"93857edd9829e144acb6c7e72d593f6e01aead66","versionType":"git"},{"lessThan":"08bf919f041af9de372428bb0c938157ea144164","status":"affected","version":"93857edd9829e144acb6c7e72d593f6e01aead66","versionType":"git"},{"lessThan":"dcaf0251f847a45861e94c6617024a9455687d2f","status":"affected","version":"93857edd9829e144acb6c7e72d593f6e01aead66","versionType":"git"},{"lessThan":"8df07fe93573e9e548d6645273e9bcb6eb74059e","status":"affected","version":"93857edd9829e144acb6c7e72d593f6e01aead66","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/staging/greybus/uart.c","drivers/tty/tty_io.c","drivers/usb/class/cdc-acm.c","drivers/usb/serial/usb-serial.c","include/linux/tty_driver.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.113","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.56","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"4.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"4.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: fix saved termios reset race\n\nResetting saved termios state on device registration is needed where a\nminor number can be reused for an entirely different device and where\nthe old settings may prevent the port from even being opened (e.g. when\nCLOCAL is not set).\n\nNot all TTY drivers guarantee that the minor number is no longer in use\nwhen registering devices however, something which can lead to a\nuse-after-free when closing a TTY (and saving its termios) races with\nre-registration.\n\nAdd a new TTY_DRIVER_RESET_SAVED_TERMIOS flag to request that any saved\ntermios state is reset on registration and only set it for drivers that\nmake sure that the minor number is no longer in use."}],"providerMetadata":{"dateUpdated":"2026-10-21T12:56:25.608Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6b4e15cccfbe03b7c6ae60ff570c401bfb1e51d6"},{"url":"https://git.kernel.org/stable/c/1572d86bcf0bcb848d20fc5e5de7ed6963034c2b"},{"url":"https://git.kernel.org/stable/c/08bf919f041af9de372428bb0c938157ea144164"},{"url":"https://git.kernel.org/stable/c/dcaf0251f847a45861e94c6617024a9455687d2f"},{"url":"https://git.kernel.org/stable/c/8df07fe93573e9e548d6645273e9bcb6eb74059e"}],"title":"tty: fix saved termios reset race","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98750","datePublished":"2026-10-18T15:47:35.167Z","dateReserved":"2026-09-25T10:25:14.368Z","dateUpdated":"2026-10-21T12:56:25.608Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:28","lastModifiedDate":"2026-10-21 13:21:43","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98750","Ordinal":"1","Title":"tty: fix saved termios reset race","CVE":"CVE-2026-98750","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98750","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ntty: fix saved termios reset race\n\nResetting saved termios state on device registration is needed where a\nminor number can be reused for an entirely different device and where\nthe old settings may prevent the port from even being opened (e.g. when\nCLOCAL is not set).\n\nNot all TTY drivers guarantee that the minor number is no longer in use\nwhen registering devices however, something which can lead to a\nuse-after-free when closing a TTY (and saving its termios) races with\nre-registration.\n\nAdd a new TTY_DRIVER_RESET_SAVED_TERMIOS flag to request that any saved\ntermios state is reset on registration and only set it for drivers that\nmake sure that the minor number is no longer in use.","Type":"Description","Title":"tty: fix saved termios reset race"}]}}}