CVE-2026-31754

A flaw was found in the Linux kernel's USB subsystem, specifically within the cdns3 gadget driver. A local user could exploit this vulnerability by attempting to switch the USB role to host mode after a gadget initialization failure. This state inconsistency can lead to a system crash, resulting ...

CVE-2026-31754

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

CVE-2026-31755

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

EUVD-2026-26568

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

CVE-2026-31755 usb: cdns3: gadget: fix NULL pointer dereference in ep_queue

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

CVE-2026-31755

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

EUVD-2026-26567

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

CVE-2026-31754

The CVE-2026-31754 issue affects the Linux kernel’s USB DRD/CDNS3 gadget path. When cdns3_gadget_start() fails, the DRD hardware remains in gadget mode while software state is INACTIVE, causing hardware/software state inconsistency. This can lead to a failed host-mode switch via sysfs (role switc...

CVE-2026-31754 usb: cdns3: gadget: fix state inconsistency on gadget init failure

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

CVE-2026-31754 usb: cdns3: gadget: fix state inconsistency on gadget init failure

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

CVE-2026-31754

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the usb cdns3 gadget driver not checking when the ep-desc pointer is null in the epqueue, which could result...

PT-2026-36390

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the cdns3 gadget ep queue function when a gadget endpoint is disabled or not yet configured. In these states, the ep-desc pointer can be NULL, leadin...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an inconsistent state of the usb cdns3 gadget driver upon initialization failure, which could lead to...

ROS-20260202-73-0027

A vulnerability in the cdns3 component of the Linux operating system kernel is associated with a hang due to resource re-blocking. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37812)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37812 advisory. - In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993122)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993122 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: cdns3 fix use-after-free at workaround 2 BUG: KFENCE: use-after-free read in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992790 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM gadget The cdns3 driver has the same NCM deadlock as fixe...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993039)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993039 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: change place of 'privep' assignment in cdns3gadgetepdequeue, cdns3gadgetepenable If...