{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98751", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.368Z", "datePublished": "2026-10-18T15:47:36.026Z", "dateUpdated": "2026-10-18T15:47:36.026Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-18T15:47:36.026Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: abort break signalling on hangup\n\nThe break ioctls can race with hangup and end up calling into a tty\ndriver for a device that is already gone or powered down.\n\nDrivers must handle this race, but TCSBRK and TCSBRKP should still be\naborted to avoid calling back into the driver after a user-controlled\ntimeout (possibly even after the tty has been reopened).\n\nNote that drivers should disable any break state on shutdown so just\nreturn on hangup (calling break_ctl() again is racy and will most likely\nfail for drivers handling the race)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/tty_io.c", "include/linux/tty.h"], "versions": [{"version": "f34d7a5b7010b82fe97da95496b9971435530062", "lessThan": "3bc82999fb85cecc7eb6ec1755ee7d698aa1e783", "status": "affected", "versionType": "git"}, {"version": "f34d7a5b7010b82fe97da95496b9971435530062", "lessThan": "94af6cd832e9b4ce39a8fb59144a8f09ab56fd35", "status": "affected", "versionType": "git"}, {"version": "f34d7a5b7010b82fe97da95496b9971435530062", "lessThan": "c8ccd3b2013daaf77b98f8a6724fcf4d2c5c52d6", "status": "affected", "versionType": "git"}, {"version": "f34d7a5b7010b82fe97da95496b9971435530062", "lessThan": "845a2737e0f5ffe5ca8d38de556012b0c9472cdd", "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/tty/tty_io.c", "include/linux/tty.h"], "versions": [{"version": "2.6.26", "status": "affected"}, {"version": "0", "lessThan": "2.6.26", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc6", "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": "2.6.26", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "7.3-rc6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3bc82999fb85cecc7eb6ec1755ee7d698aa1e783"}, {"url": "https://git.kernel.org/stable/c/94af6cd832e9b4ce39a8fb59144a8f09ab56fd35"}, {"url": "https://git.kernel.org/stable/c/c8ccd3b2013daaf77b98f8a6724fcf4d2c5c52d6"}, {"url": "https://git.kernel.org/stable/c/845a2737e0f5ffe5ca8d38de556012b0c9472cdd"}], "title": "tty: abort break signalling on hangup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/tty/tty_io.c", "include/linux/tty.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3bc82999fb85cecc7eb6ec1755ee7d698aa1e783", "status": "affected", "version": "f34d7a5b7010b82fe97da95496b9971435530062", "versionType": "git"}, {"lessThan": "94af6cd832e9b4ce39a8fb59144a8f09ab56fd35", "status": "affected", "version": "f34d7a5b7010b82fe97da95496b9971435530062", "versionType": "git"}, {"lessThan": "c8ccd3b2013daaf77b98f8a6724fcf4d2c5c52d6", "status": "affected", "version": "f34d7a5b7010b82fe97da95496b9971435530062", "versionType": "git"}, {"lessThan": "845a2737e0f5ffe5ca8d38de556012b0c9472cdd", "status": "affected", "version": "f34d7a5b7010b82fe97da95496b9971435530062", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/tty/tty_io.c", "include/linux/tty.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.26"}, {"lessThan": "2.6.26", "status": "unaffected", "version": "0", "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-rc6", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: abort break signalling on hangup\n\nThe break ioctls can race with hangup and end up calling into a tty\ndriver for a device that is already gone or powered down.\n\nDrivers must handle this race, but TCSBRK and TCSBRKP should still be\naborted to avoid calling back into the driver after a user-controlled\ntimeout (possibly even after the tty has been reopened).\n\nNote that drivers should disable any break state on shutdown so just\nreturn on hangup (calling break_ctl() again is racy and will most likely\nfail for drivers handling the race)."}], "id": "CVE-2026-98751", "lastModified": "2026-10-18T16:17:28.880", "metrics": {}, "published": "2026-10-18T16:17:28.880", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bc82999fb85cecc7eb6ec1755ee7d698aa1e783"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/845a2737e0f5ffe5ca8d38de556012b0c9472cdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/94af6cd832e9b4ce39a8fb59144a8f09ab56fd35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c8ccd3b2013daaf77b98f8a6724fcf4d2c5c52d6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-10-18T20:00:12.042495+00:00", "updated": "2026-10-18T20:00:12.042504+00:00", "vendors": [], "weaknesses": ["CWE-362", "CWE-416"]}