CVE-2026-64327 usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

CVE-2026-64327

CVE-2026-64327 affects the Linux kernel USB gadget f_fs (FunctionFS) component. The root cause is that epfile->in was only initialized in ffs_func_eps_enable() (triggered on USB host connection), so early userspace ioctls such as FUNCTIONFS_DMABUF_ATTACH executed before host connection would o...

CVE-2026-64327 usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

SUSE CVE-2026-64233

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: hold opts-lock across XU walks in uvcfunctionbind uvcfunctionbind walks &opts-extensionunits twice without holding opts-lock: - directly, for the iExtension string-descriptor fixup loop; - indirectly, four times...

SUSE CVE-2026-64242

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: net2280: Fix double free in probe error path usbinitializegadget installs gadgetrelease as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadgetrelease...

PT-2026-64726

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the RNDIS Remote Network Driver Interface Specification gadget function. The rndis rm hdr function fails to verify the length of the RNDIS header before accessing its...

PT-2026-64566

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference leak occurs in the usb gadget f printer component. The printer open function increments the dev-kref variable regardless of whether the open operation is successful. When the...

Linux Distros Unpatched Vulnerability : CVE-2026-64345

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fprinter: take kref only for successful open printeropen returns -EBUSY when the character device is already open, but it increments dev-kref...

Linux Distros Unpatched Vulnerability : CVE-2026-64505

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: function: rndis: add length check for header Add a length check for the rndis header in rndisrmhdr, to ensure that MessageType, MessageLength,...

Linux Distros Unpatched Vulnerability : CVE-2026-64327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing...

PT-2026-64568

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the USB gadget composite handler within the composite setup function. When processing the OTG branch, the code attempts to fall back to the first configuration using...

PT-2026-64549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the USB gadget functionfs module. In the ffs dmabuf transfer function, a ffs dma fence object is allocated and initialized, but the initial reference count is not...

PT-2026-64548

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the USB gadget functionfs module where the epfile-in variable is initialized too late. Specifically, epfile-in was only populated within the ffs func eps enable...

PT-2026-64675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the usb dwc3 component where the dwc3 gadget suspend function acquires dwc-lock with interrupts disabled and subsequently calls dwc3 disconnect gadget. Because the...

Linux Distros Unpatched Vulnerability : CVE-2026-64346

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: udc: Fix use-after-free in gadgetmatchdriver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled....

Linux Distros Unpatched Vulnerability : CVE-2026-64454

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: dwc3: run gadget disconnect from sleepable suspend context dwc3gadgetsuspend takes dwc-lock with IRQs disabled and then calls dwc3disconnectgadget. For asy...

Linux Distros Unpatched Vulnerability : CVE-2026-64347

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: composite: fix dead empty check in the USBDTOTG handler The OTG branch of compositesetup falls back to the first configuration when none is...

Linux Distros Unpatched Vulnerability : CVE-2026-64328

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix DMA fence leak In ffsdmabuftransfer, a ffsdmafence object is kmalloc'd...

PT-2026-64567

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the USB gadget UDC management where the lifecycles of the gadget and the udc structure are decoupled. This occurs when usb del gadget frees the udc memory whil...

PT-2026-64558

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the usb mtu3 component where the mtu3 gadget queue function maps a request before verifying if the QMU GPD ring can accept another transfer. If the mtu3 prepare transf...