{"id":"CVE-2026-98896","state":"PUBLISHED","title":"thunderbolt: Keep the domain reference while processing hotplug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Keep the domain reference while processing hotplug\n\nWe process hotplug events in a workqueue that may run after the domain\nhas been removed by tb_domain_remove(). For example if user unloads the\ndriver while at the same time plugging  a device router we may have\nscheduled tb_handle_hotplug() to run. Avoid possible UAF in this case by\ntaking the domain reference before scheduling the hotplug handler in\ntb_queue_hotplug().","publishedAt":"2026-10-23T11:37:58.225Z","updatedAt":"2026-10-26T06:56:22.985Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"06b2e894e640f6a3dbeb536a2d26d72426b26a46","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"1d991f749a8255ee2ecc6307e2f27354ab631827","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"e8656465d08ed832e120c9cca4a6d0c8ccb45698","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"b61a4ae2ec6a0d363615d01106e0a2d284133a38","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"04df2985159e381c88a923fae1bec2f8d0272412","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"0a87af3b1e3aa2e09d160848daf0c39e765b73de","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"138ec65b2c761f065b19d115aed2b8246fc272f5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]}],"references":["https://git.kernel.org/stable/c/06b2e894e640f6a3dbeb536a2d26d72426b26a46","https://git.kernel.org/stable/c/1d991f749a8255ee2ecc6307e2f27354ab631827","https://git.kernel.org/stable/c/e8656465d08ed832e120c9cca4a6d0c8ccb45698","https://git.kernel.org/stable/c/b61a4ae2ec6a0d363615d01106e0a2d284133a38","https://git.kernel.org/stable/c/04df2985159e381c88a923fae1bec2f8d0272412","https://git.kernel.org/stable/c/0a87af3b1e3aa2e09d160848daf0c39e765b73de","https://git.kernel.org/stable/c/138ec65b2c761f065b19d115aed2b8246fc272f5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98896.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98896","state":"PUBLISHED","datePublished":"2026-10-23T11:37:58.225Z","dateUpdated":"2026-10-26T06:56:22.985Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.379Z"},"containers":{"cna":{"title":"thunderbolt: Keep the domain reference while processing hotplug","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Keep the domain reference while processing hotplug\n\nWe process hotplug events in a workqueue that may run after the domain\nhas been removed by tb_domain_remove(). For example if user unloads the\ndriver while at the same time plugging  a device router we may have\nscheduled tb_handle_hotplug() to run. Avoid possible UAF in this case by\ntaking the domain reference before scheduling the hotplug handler in\ntb_queue_hotplug()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"06b2e894e640f6a3dbeb536a2d26d72426b26a46","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"1d991f749a8255ee2ecc6307e2f27354ab631827","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"e8656465d08ed832e120c9cca4a6d0c8ccb45698","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"b61a4ae2ec6a0d363615d01106e0a2d284133a38","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"04df2985159e381c88a923fae1bec2f8d0272412","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"0a87af3b1e3aa2e09d160848daf0c39e765b73de","versionType":"git"},{"version":"d6cc51cd1a4aed1d9e2dd66d643d729acb4be560","status":"affected","lessThan":"138ec65b2c761f065b19d115aed2b8246fc272f5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/tb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/06b2e894e640f6a3dbeb536a2d26d72426b26a46"},{"url":"https://git.kernel.org/stable/c/1d991f749a8255ee2ecc6307e2f27354ab631827"},{"url":"https://git.kernel.org/stable/c/e8656465d08ed832e120c9cca4a6d0c8ccb45698"},{"url":"https://git.kernel.org/stable/c/b61a4ae2ec6a0d363615d01106e0a2d284133a38"},{"url":"https://git.kernel.org/stable/c/04df2985159e381c88a923fae1bec2f8d0272412"},{"url":"https://git.kernel.org/stable/c/0a87af3b1e3aa2e09d160848daf0c39e765b73de"},{"url":"https://git.kernel.org/stable/c/138ec65b2c761f065b19d115aed2b8246fc272f5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-26T06:56:22.985Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}