CVE-2026-31758

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmcrelease When calling usbtmcrelease, pending anchored URBs must be flushed or killed to prevent use-after-free errors e.g. in the HCD giveback path. Call usbtmcdrawdown to allow anchored...

CVE-2026-31757

CVE-2026-31757 affects the Linux kernel USB subsystem (usbio). The issue is a memory leak where, if usb_submit_urb() fails during device probing (usbio_probe()), the previously allocated URB is not freed. The fix directs control flow to an error path (err_free_urb) to properly release the URB and...

CVE-2026-31756

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: gadget: Fix spinlock/unlock mismatch in dwc2hsotgudcstop dwc2gadgetexitclockgating internally calls callgadget macro, which expects hsotg-lock to be held since it does spinunlock/spinlock around the gadget driver...

CVE-2026-31757

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: Fix URB memory leak on submit failure When usbsubmiturb fails in usbioprobe, the previously allocated URB is never freed, causing a memory leak. Fix this by jumping to errfreeurb label to properly release the UR...

CVE-2026-31755 usb: cdns3: gadget: fix NULL pointer dereference in ep_queue

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

EUVD-2026-26568

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

CVE-2026-31755

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue When the gadget endpoint is disabled or not yet configured, the ep-desc pointer can be NULL. This leads to a NULL pointer dereference when cdns3gadgetepqueue is called,...

CVE-2026-31754

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix state inconsistency on gadget init failure When cdns3gadgetstart fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency. When...

EUVD-2026-26542

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: validate connector number in ucsinotifycommon The connector number extracted from CCI via UCSICCICONNECTOR is a 7-bit field 0-127 that is used to index into the connector array in ucsiconnectorchange. However, t...

CVE-2026-31728

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference. Specifically, if ethstop is triggered concurrently while getherdisconne...

CVE-2026-31727

The CVE affects the Linux kernel USB gadget subsystem, specifically u_ether, where a NULL pointer dereference could occur when a userspace tool queries a surviving interface during a detached window after unbind. The root cause is a missing NULL check for dev->gadget in eth_get_drvinfo(), lead...

CVE-2026-31726

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix NULL pointer dereference during unbind race Commit b81ac4395bbe "usb: gadget: uvc: allow for application to cleanly shutdown" introduced two stages of synchronization waits totaling 1500ms in uvcfunctionunbi...

CVE-2026-31722

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds,...

CVE-2026-31723

The CVE-2026-31723 issue affects the Linux kernel’s usb: gadget: f_subset component, where net_device resources are allocated during function instance creation and registered under the gadget device. On unbind, the parent device can be destroyed while the net_device remains, creating dangling sys...

CVE-2026-31720 usb: gadget: f_uac1_legacy: validate control request size

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate control request size faudiocomplete copies req-length bytes into a 4-byte stack variable: u32 data = 0; memcpy&data, req-buf, req-length; req-length is derived from the host-controlled USB reque...

CVE-2026-31701

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

CVE-2026-31701 ALSA: caiaq: take a reference on the USB device in create_card()

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

EUVD-2026-26510

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

CVE-2026-31701 ALSA: caiaq: take a reference on the USB device in create_card()

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

CLSA-2026-1777633439 kernel: Fix of 142 CVEs

crypto: algifaead - Fix minimum RX size check for decryption CVE-2026-31431 - crypto: afalg - Fix page reassignment overflow in afalgpulltsgl CVE-2026-31431 - crypto: authencesn - reject too-short AAD assoclen8 to match ESP/ESN spec CVE-2026-31431 - crypto: authencesn - Fix src offset when...