CVE-2026-90044

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix Use-After-Free in AIO error path In ffsepfilewriteiter and ffsepfilereaditer, when ffsepfileio fails with an error other than -EIOCBQUEUED, the iodata structure p is freed. However, for AIO operations, the...

CVE-2026-90044 usb: gadget: f_fs: Fix Use-After-Free in AIO error path

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix Use-After-Free in AIO error path In ffsepfilewriteiter and ffsepfilereaditer, when ffsepfileio fails with an error other than -EIOCBQUEUED, the iodata structure p is freed. However, for AIO operations, the...

CVE-2026-90044

CVE-2026-90044 is a Use-After-Free vulnerability in the Linux kernel USB gadget f_fs (function filesystem) module, specifically in ffs_epfile_write_iter() and ffs_epfile_read_iter(). When ffs_epfile_io() fails with an error other than -EIOCBQUEUED, the io_data structure is freed, but for AIO oper...

EUVD-2026-80652

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix Use-After-Free in AIO error path In ffsepfilewriteiter and ffsepfilereaditer, when ffsepfileio fails with an error other than -EIOCBQUEUED, the iodata structure p is freed. However, for AIO operations, the...

CVE-2026-90044 usb: gadget: f_fs: Fix Use-After-Free in AIO error path

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix Use-After-Free in AIO error path In ffsepfilewriteiter and ffsepfilereaditer, when ffsepfileio fails with an error other than -EIOCBQUEUED, the iodata structure p is freed. However, for AIO operations, the...

AZL-100160 CVE-2026-89732 affecting package kernel 6.6.150.1-1

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...

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...

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...

EUVD-2026-76644

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...

CVE-2026-89732 usb: gadget: f_fs: Prevent deadlock during ep0 read loop

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...

CVE-2026-89732 usb: gadget: f_fs: Prevent deadlock during ep0 read loop

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...

CVE-2026-64594

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: initialize resetwork at allocation time ffsfskillsb unconditionally calls cancelworksync on ffs-resetwork when a functionfs instance is unmounted: ffsdataresetffs; cancelworksync&ffs-resetwork; However...

CVE-2026-64328

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, with the underlying dmafence later initialized by dmafenceinit, which sets its kref counter to 1. Then, dmaresvaddfence gets a second...

CVE-2026-64328

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, with the underlying dmafence later initialized by dmafenceinit, which sets its kref counter to 1. Then, dmaresvaddfence gets a second...

CVE-2026-64328 usb: gadget: f_fs: Fix DMA fence leak

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, with the underlying dmafence later initialized by dmafenceinit, which sets its kref counter to 1. Then, dmaresvaddfence gets a second...

SUSE CVE-2026-63895

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: copy only received bytes on short ep0 read ffsep0read allocates its control-OUT data buffer with kmalloc not kzalloc at the Length value from the Setup packet, then copies that full len to userspace regardless o...

CVE-2025-40315

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix epfile null pointer access after ep enable. A race condition occurs when ffsfuncepsenable runs concurrently with ffsdatareset. The ffsdataclear called in ffsdatareset sets ffs-epfiles to NULL before resettin...

CVE-2025-40315

CVE-2025-40315: In the Linux kernel usb gadget f_fs, a race allowed NULL pointer dereference when ffs_func_eps_enable() could access epfile->ep after concurrent ffs_data_reset(). The fix adds NULL pointer handling for ffs->epfiles in ffs_func_eps_enable() and aligns NULLing of epfiles under...

Siemens SIMATIC Devices Race Condition (CVE-2024-57913)

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Remove WARNON in functionfsbind This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-986724)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986724 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait While performing fast composition switch,...