CVE-2026-98896
kernel: thunderbolt: Keep the domain reference while processing hotplug
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 23, 2026
Updated · October 27, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference