Linux Distros Unpatched Vulnerability : CVE-2026-31606

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: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be...

Linux Distros Unpatched Vulnerability : CVE-2026-31616

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing ...

CVE-2026-31616

A flaw was found in the Linux kernel's USB gadget Phonet function. A remote attacker, acting as a malicious USB host, could exploit this vulnerability by sending a continuous stream of full-page data transfers. This action causes an overflow in the kernel's internal data structures, leading to...

CVE-2026-31615

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

DEBIAN-CVE-2026-31617

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: validate minimum blocklen in ncmunwrapntb The blocklen read from the host-supplied NTB header is checked against ntbmax but has no lower bound. When blocklen is smaller than opts-ndpsize, the bounds check of:...

DEBIAN-CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

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...

DEBIAN-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-2026-31617

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: validate minimum blocklen in ncmunwrapntb The blocklen read from the host-supplied NTB header is checked against ntbmax but has no lower bound. When blocklen is smaller than opts-ndpsize, the bounds check of:...

CVE-2026-31617

Technical details are not publicly available in the provided documents. No vendor/product/version specifics are given beyond the general description. Monitor for updates in the connected sources.

CVE-2026-31616 usb: gadget: f_phonet: fix skb frags[] overflow in pn_rx_complete()

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

EUVD-2026-25509

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

CVE-2026-31616

The CVE-2026-31616 entry concerns a Linux kernel USB gadget Phonet function vulnerability. A malicious USB host can overflow the skb_shared_info->frags[] array in the pn_rx_complete() path by sending an unbounded sequence of full-page OUT transfers. The host filling req->length with PAGE_SI...

CVE-2026-31615 usb: gadget: renesas_usb3: validate endpoint index in standard request handlers

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

EUVD-2026-25508

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

CVE-2026-31615

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

CVE-2026-31615

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesasusb3: validate endpoint index in standard request handlers The GETSTATUS and SET/CLEARFEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by...

CVE-2026-31615

In CVE-2026-31615, the Linux kernel USB gadget code for renesas_usb3 (and related aspeed_udc context) did not validate endpoint indices in standard requests (GET_STATUS, SET/CLEAR_FEATURE). The host-supplied wIndex could be used to dereference a pointer without confirming endpoint count, risking ...