EUVD-2026-86659

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Decoupling ep1inurb in caiaq dev The epqinurb object belonging to the caiaq device is coupled within the struct sndusbcaiaqdev. After usbsubmiturbepqinurb, GFPKERNEL executes successfully, epqinurb is successfully...

CVE-2026-98006

The Linux kernel contains a use-after-free vulnerability in the ALSA caiaq USB device driver. The issue arises because the ep1_in_urb (and midi_out_urb) objects are embedded within the snd_usb_caiaqdev structure. When a command fails due to a timeout and snd_card_free() is called to release the c...

CVE-2026-98006 ALSA: caiaq: Decoupling ep1_in_urb in caiaq dev

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Decoupling ep1inurb in caiaq dev The epqinurb object belonging to the caiaq device is coupled within the struct sndusbcaiaqdev. After usbsubmiturbepqinurb, GFPKERNEL executes successfully, epqinurb is successfully...

CVE-2026-97483

The Linux kernel contains a vulnerability in the usb core hcd component that can lead to a possible deadlock during rh control transfers . The issue occurs because memory allocations within the SCSI error handler must not trigger IO. When handling errors in UAS and the storage driver, resetting a...

EUVD-2026-86081

In the Linux kernel, the following vulnerability has been resolved: usb: core: hcd: fix possible deadlock in rh control transfers From within the SCSI error handler memory allocations must not trigger IO. Handling errors in UAS and the storage driver may involve resetting a device. The thread doi...

CVE-2026-97483 usb: core: hcd: fix possible deadlock in rh control transfers

In the Linux kernel, the following vulnerability has been resolved: usb: core: hcd: fix possible deadlock in rh control transfers From within the SCSI error handler memory allocations must not trigger IO. Handling errors in UAS and the storage driver may involve resetting a device. The thread doi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb:dwc2: Fixed a memory leak in dwc2hcdinit usbcreatehcd will allocate memory for hcd, and we should call usbputhcd to free that memory when platformgetresource fails, thereby preventing the memory leak. To fix this issue, chang...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: host: Fixed the refcount leak in ehcihcdppcofprobe. offindcompatiblenode returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Add ofnodeput to avoid the refcount leak...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: USB: dummy-hcd: Fixed interrupt synchronization error This fixes an error in synchronization within the dummy-hcd driver. The error has a somewhat complex history. The synchronization mechanism was introduced in commit...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: usb:vhci-hcd: Do not drop references before new references are obtained. In several places, the driver maintains stale pointers to references that can still be used. Ensure that this does not occur. Strictly speaking, this resolv...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: USB: dummy-hcd: Fixed locking/synchronization errors Syzbot testing was able to cause an addressing exception and a crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c. This occurred because the routine wa...

Astra Linux – Vulnerability in Qemu

A divide-by-zero issue was discovered in dwc2handlepacket in hw/usb/hcd-dwc2.c, within the hcd-dwc2 USB host controller emulator in QEMU. A malicious guest could exploit this flaw to crash the QEMU process on the host, resulting in a denial of service...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup The kthreadrun function returns error pointers, so the max3421hcd-spithread pointer can be either an error pointer or NULL. Check both cases before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix for role switching during resume If the role changes while the system is suspended, the cdns3 driver switches to the new mode during resume. However, switching to the host mode in this context causes a NULL pointe...

The vulnerability of the _dwc2_hcd_urb_dequeue() function in the driver module/dwc2/hcd.c of the Linux operating system’s USB device driver framework allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the dwc2hcdurbdequeue function in the driver module/dwc2/hcd.c of the Linux operating system’s USB device driver framework is related to the dereferencing of a pointer with an expired validity period. Exploiting this vulnerability could allow an attacker to compromise the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100322)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100322 advisory. In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressin...

CVE-2026-68370

A flaw was found in the Linux kernel's USB gadget dummy Host Controller Driver HCD. A race condition can occur when a shared USB request object fiforeq is prematurely reused before its completion callback has finished. This can lead to the overwriting of the callback pointer, causing a general...

EUVD-2026-55471

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: dummyhcd: prevent fiforeq reuse during giveback dummyhcd embeds a single shared usbrequest dum-fiforeq that the "emulated single-request FIFO" fast-path in dummyqueue reuses for small IN transfers: it copies the...

CVE-2026-68370

CVE-2026-68370 affects the Linux kernel USB gadget dummy_hcd path. A race condition reuses a shared usb_request (fifo_req) before its completion callback finishes, allowing overwriting of the callback pointer and causing a general protection/page fault in dummy_timer. The mitigation adds a fifo_r...

CVE-2026-68370 usb: gadget: dummy_hcd: prevent fifo_req reuse during giveback

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: dummyhcd: prevent fiforeq reuse during giveback dummyhcd embeds a single shared usbrequest dum-fiforeq that the "emulated single-request FIFO" fast-path in dummyqueue reuses for small IN transfers: it copies the...