{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98896", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.379Z", "datePublished": "2026-10-23T11:37:58.225Z", "dateUpdated": "2026-10-26T06:56:22.985Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-26T06:56:22.985Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/thunderbolt/tb.c"], "versions": [{"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "06b2e894e640f6a3dbeb536a2d26d72426b26a46", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "1d991f749a8255ee2ecc6307e2f27354ab631827", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "e8656465d08ed832e120c9cca4a6d0c8ccb45698", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "b61a4ae2ec6a0d363615d01106e0a2d284133a38", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "04df2985159e381c88a923fae1bec2f8d0272412", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "0a87af3b1e3aa2e09d160848daf0c39e765b73de", "status": "affected", "versionType": "git"}, {"version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "lessThan": "138ec65b2c761f065b19d115aed2b8246fc272f5", "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/thunderbolt/tb.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "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": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "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"}]}]}], "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"}], "title": "thunderbolt: Keep the domain reference while processing hotplug", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/thunderbolt/tb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "06b2e894e640f6a3dbeb536a2d26d72426b26a46", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "1d991f749a8255ee2ecc6307e2f27354ab631827", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "e8656465d08ed832e120c9cca4a6d0c8ccb45698", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "b61a4ae2ec6a0d363615d01106e0a2d284133a38", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "04df2985159e381c88a923fae1bec2f8d0272412", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "0a87af3b1e3aa2e09d160848daf0c39e765b73de", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}, {"lessThan": "138ec65b2c761f065b19d115aed2b8246fc272f5", "status": "affected", "version": "d6cc51cd1a4aed1d9e2dd66d643d729acb4be560", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/thunderbolt/tb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"lessThan": "3.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\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()."}], "id": "CVE-2026-98896", "lastModified": "2026-10-26T07:17:14.857", "metrics": {}, "published": "2026-10-23T12:18:23.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04df2985159e381c88a923fae1bec2f8d0272412"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06b2e894e640f6a3dbeb536a2d26d72426b26a46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0a87af3b1e3aa2e09d160848daf0c39e765b73de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/138ec65b2c761f065b19d115aed2b8246fc272f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d991f749a8255ee2ecc6307e2f27354ab631827"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b61a4ae2ec6a0d363615d01106e0a2d284133a38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e8656465d08ed832e120c9cca4a6d0c8ccb45698"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: thunderbolt: Keep the domain reference while processing hotplug", "id": "2559574", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559574"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nthunderbolt: Keep the domain reference while processing hotplug\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().", "A flaw was found in the Linux kernel's Thunderbolt driver. A race condition can occur when a device hotplug event is processed concurrently with driver removal, resulting in a use-after-free condition where freed memory is accessed. A local user could exploit this flaw to cause a Denial of Service (DoS) via a system crash or potentially escalate privileges."], "name": "CVE-2026-98896", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98896\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98896\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98896.mbox"], "threat_severity": "Moderate"}