Linux Distros Unpatched Vulnerability : CVE-2026-43136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HID: logitech-hidpp: Check maxfield in hidppgetreportlength Do not crash when a report has no fields. Fake USB gadgets can send their own HID report descriptors...

Linux Distros Unpatched Vulnerability : CVE-2026-31721

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hid...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

EUVD-2026-26534

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

CVE-2026-31721 affects the Linux kernel USB gadget subsystem, specifically the f_hid driver. The issue arises from initializing wait queues (poll_wait) with init_waitqueue_head inside hidg_bind, which re-initializes queues that may still contain items when the HID gadget is bound/unbound and epol...

PT-2026-36356

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the USB gadget HID function where list and spinlock initializations were performed during the bind process. Specifically, queues registered via poll wait were...

SUSE CVE-2026-31606

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be references to it. That's the case when the /dev/hidg device is still...

CVE-2026-31606

A flaw was found in the Linux kernel's USB Human Interface Device HID gadget driver. When the /dev/hidg device is still open during unbind and bind operations, the character device cdev is reinitialized while still in use. This unsafe behavior can lead to a system crash, resulting in a Denial of...

CVE-2026-31606

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be references to it. That's the case when the /dev/hidg device is still...

CVE-2026-31606

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be references to it. That's the case when the /dev/hidg device is still...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013723)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013723 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix fhidg lifetime vs cdev The embedded struct cdev does not have its lifetime...

SUSE CVE-2022-50568

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix fhidg lifetime vs cdev The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct fhidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted...

UBUNTU-CVE-2022-50568

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix fhidg lifetime vs cdev The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct fhidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted...

CVE-2022-50568 usb: gadget: f_hid: fix f_hidg lifetime vs cdev

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix fhidg lifetime vs cdev The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct fhidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted...

EUVD-2025-32835

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix refcount leak on error path When failing to allocate reportdesc, opts-refcnt has already been incremented so it needs to be decremented to avoid leaving the options structure permanently locked...

PT-2023-34148 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.86 Description: A refcount leak was discovered in the f hid gadget of the Linux Kernel. The issue was introduced in version v3.19 and is fixed in version v5.15.86. The actual impact and attack plausibility...