CVE-2026-31721

A flaw was found in the Linux kernel's USB Human Interface Device HID gadget driver fhid. When a USB gadget is unbound and then rebound while file descriptors are still actively using its wait queues, the driver can re-initialize these queues while they still contain items. This can lead to list...

CVE-2026-31756

Technical details about CVE-2026-31756 are not publicly provided in the connected documents. Monitor for updates from vendors and advisories to confirm affected products, impact, and fixes.

CVE-2026-31756 usb: dwc2: gadget: Fix spin_lock/unlock mismatch in dwc2_hsotg_udc_stop()

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...

CVE-2026-31728 usb: gadget: u_ether: Fix race between gether_disconnect and eth_stop

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference. Specifically, if ethstop is triggered concurrently while getherdisconne...

CVE-2026-31725

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fecm: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds, t...

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 dwc2 gadget driver calling dwc2gadgetexitclockgating without holding a lock in the dwc2hsotgudcstop...

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...

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...

CVE-2026-31617

A flaw was found in the Linux kernel's USB Network Control Model NCM gadget driver. A malicious USB host could exploit an integer underflow vulnerability when processing Network Transfer Block NTB headers. This allows the host to manipulate internal data pointers, causing adjacent kernel memory t...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013731)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013731 advisory. In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix the memory leak in rawgadget driver Currently, increasing rawdev-count happens...

The vulnerability of the ast_vhub_initDesc() function in the drivers/usb/gadget/udc/aspeed-vhub/hub.c file of the Linux kernel’s USB device driver allows a attacker to cause a service failure.

The vulnerability of the astvhubinitdesc function in the drivers/usb/gadget/udc/aspeed-vhub/hub.c file of the Linux kernel’s USB device driver module is related to errors during link counters updates. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerabilities of the functions cdns3_gadget_ep_enable() and cdns3_gadget_ep_dequeue() in the drivers/usb/cdns3/cdns3-gadget.c driver module of the Linux operating system’s USB device drivers allow a malicious actor to cause service failures.

The vulnerability of the cdns3gadgetepenable and cdns3gadgetepdequeue functions in the drivers/usb/cdns3/cdns3-gadget.c driver for USB device drivers in the Linux operating system is related to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the dwc3_gadget_ep_skip_trbs() function in the drivers/usb/dwc3/gadget.c module of the Linux device support driver allows a hacker to cause a service failure.

The vulnerability of the dwc3gadgetepskiptrbs function in the drivers/usb/dwc3/gadget.c module of the Linux device support driver framework is related to a stack-based buffer overflow. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the `cdns3_wa2_remove_old_request()` function in the `drivers/usb/cdns3/cdns3-gadget.c` driver for USB device drivers in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the cdns3wa2removeoldrequest function in the drivers/usb/cdns3/cdns3-gadget.c device driver of the Linux operating system’s USB device driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the...

The vulnerability of the ffs_func_eps_enable() function in the drivers/usb/gadget/function/f_fs.c file of the Linux operating system’s USB gadget driver kernel allows a hacker to cause a service failure.

The vulnerability of the ffsfuncepsenable function in the drivers/usb/gadget/function/ffs.c file of the Linux device driver framework is related to pointer manipulation. Exploiting this vulnerability could allow a malicious actor to cause service failure remotely...

ROS-20260119-7387

A vulnerability in the usbgcmdwork and botcmdwork functions of the USB driver drivers/usb/gadget/function/ftcm.c of the Linux kernel is related to memory re-release. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003649)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003649 advisory. In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with fhid. Tenable has extracted the precedin...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001243)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001243 advisory. In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with fhid. Tenable has extracted the precedin...

ROS-20260113-7316

Vulnerability of astudcgetstatus function in drivers/usb/gadget/udc/aspeedudc.c module of usb gadget driver of Linux kernel is related to incorrect index calculation. Exploitation of the vulnerability may allow an intruder to affect confidentiality, integrity and availability of protected...

CVE-2018-21079

An issue was discovered on Samsung mobile devices with L5.x, M6.0, N7.x, and O8.0 software. There is a kernel pointer leak in the USB gadget driver. The Samsung ID is SVE-2017-10993 March 2018...