CVE-2026-98933
kernel: usb: hub: use shorter 120ms post resume hold for SS root hubs
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 23, 2026
Updated · October 30, 2026
Description
A flaw was found in the Linux kernel's USB hub driver. An excessive hold time during the resume of USB root hubs causes instability in runtime power management on certain platforms. A local user running software that frequently wakes and polls the USB subsystem can trigger this issue, leading to a system crash and resulting in a Denial of Service (DoS).
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 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-821 · Incorrect Synchronization