CVE-2026-98765
kernel: USB: gadget: dummy-hcd: Fix wait for outstanding request completions
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 23, 2026
Description
A flaw was found in the Linux kernel's USB dummy Host Controller Driver (dummy-hcd). This vulnerability occurs because the driver fails to properly wait for active request completion callbacks before unbinding or unloading the module. A local attacker could trigger this race condition, leading to invalid memory access and causing a kernel crash that results 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 · 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-366 · Race Condition within a Thread