CVE-2026-90045

CVE-2026-90045 is a use-after-free vulnerability in the Linux kernel 's USB gadget FunctionFS (ffs) driver. The io_data structure stores a pointer to the submitting task's mm_struct but fails to hold a reference while asynchronous requests remain pending. If the task exits before completion handl...

EUVD-2026-80627

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fix null pointer dereference in usbputfunctioninstance usbputfunctioninstance attempts to dereference fd inside fi struct to get mod in uvcallocinst error path. However, fd is not allocated until later in...

EUVD-2026-80628

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: fix NULL pointer dereference in gadgetdevioctl gadgetdevioctl reads dev-gadget before acquiring dev-lock, but dev-state is checked after acquiring the lock. Therefore a concurrent bind can change the device state...

CVE-2019-14079

USB device fuzzing on Android CVE-2019-14079 This blog post is about a simple bug I found in my android deviceMI A2 - runs stock android using USB device fuzzing and was marked as high severity by google. The bug was in Qualcomm USB driver which was later patched and disclosed in March 2020 Andro...

vulnhuntr

A tool to identify remotely exploitable vulnerabilities using LLMs and static code analysis. World's first autonomous AI-discovered 0day vulnerabilities Description Vulnhuntr leverages the power of LLMs to automatically create and analyze entire code call chains starting from remote user input an...

android-gadget

android-gadget Summary Certain revisions of the Linux kernel used in Android are affected by issue CVE-2021-39685. Detailed information and a POC for CVE-2021-39685 may be found in the inspector-gadget repository. This repository includes POC targeting few Android specific USB gadgets including:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with a mutex The class/subclass/protocol options are susceptible to race conditions, as they can be accessed concurrently through configfs. A mutex should be used to protect these option...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Refactor the bind path to use free After a bind/unbind cycle, the ncm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: fix use-after-free in usbgadgetstatework A race condition during the gadget teardown can lead to a use-after-free in usbgadgetstatework, as reported by KASAN: - BUG: KASAN: invalid-access in sysfs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Remove WARNON from functionfsbind This commit addresses an issue related to a kernel panic that occurs when paniconwarn is enabled. The issue is caused by the unnecessary use of WARNON in functionfsbind, which c...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmassstorage: Fixed a potential integer overflow in the checkcommandsizeinblocks function. The checkcommandsizeinblocks function calculates the data size in bytes by shifting common-datasizefromcmnd by the block size...

CVE-2026-89735

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: remove default configfs groups on teardown fmidi2allocinst creates default configfs child groups for the default endpoint and default block using configfsadddefaultgroup, setting their internal refcount to 1...

CVE-2026-89734

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix null pointer dereference in uvcgvideoinit In uvcgvideoinit, if kthreadrunworker fails, the error logged uses uvcgerr, however, the pointer it uses: video-uvc is not assigned at this point, triggering a null...

CVE-2026-89738

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: at91udc: drain polled-VBUS timer/work before udc is freed In polled-VBUS mode board.vbuspin && board.vbuspolled, probe arms a self-restarting cycle: at91vbustimer schedules vbustimerwork, and at91vbustimerwork calls...

CVE-2026-89733

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix dangling pointers in uvcfunctionbind and uvcfunctionunbind In uvcfunctionbind error path, we use usbepfreerequest which uses uvc-controlreq but does not set it to NULL afterwards. Thus, uvc-controlreq is a...

CVE-2026-89732

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent deadlock during ep0 read loop Currently, ffsep0read holds ffs-mutex when it prepares to go to sleep waiting for an event. When no setup events are pending, it calls waiteventinterruptibleexclusivelockedi...

UBUNTU-CVE-2026-89733

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix dangling pointers in uvcfunctionbind and uvcfunctionunbind In uvcfunctionbind error path, we use usbepfreerequest which uses uvc-controlreq but does not set it to NULL afterwards. Thus, uvc-controlreq is a...

UBUNTU-CVE-2026-89734

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix null pointer dereference in uvcgvideoinit In uvcgvideoinit, if kthreadrunworker fails, the error logged uses uvcgerr, however, the pointer it uses: video-uvc is not assigned at this point, triggering a null...

rndis-co

RNDIS-CO Summary The RNDIS USB Gadget may be exploited to dump contents of kernel memory space via packet filter update mechanism. Description The RNDISMSGSET usb control transfer request handler - rndissetresponse calls genndissetresp passing a buffer pointer offset by BufOffset + 8. The BufOffs...

Linux Distros Unpatched Vulnerability : CVE-2026-89732

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: ffs: Prevent deadlock during ep0 read loop Currently, ffsep0read holds ffs-mutex when it prepares to go to sleep waiting for an event. When no setu...