CVE-2026-31721 usb: gadget: f_hid: move list and spinlock inits from bind to alloc

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721 usb: gadget: f_hid: move list and spinlock inits from bind to alloc

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: move list and spinlock inits from bind to alloc There was an issue when you did the following: - setup and bind an hid gadget - open /dev/hidg0 - use the resulting fd in EPOLLCTLADD - unbind the UDC - bind the...

CVE-2026-31721

CVE-2026-31721 affects the Linux kernel USB gadget subsystem, specifically the f_hid driver. The issue arises from initializing wait queues (poll_wait) with init_waitqueue_head inside hidg_bind, which re-initializes queues that may still contain items when the HID gadget is bound/unbound and epol...

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...

EUVD-2026-26533

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-2026-31720

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-2026-31720

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, req-buf, req-length; req-length is derived from the host-controlled USB request...

CVE-2026-31720

CVE-2026-31720 : In the Linux kernel, the USB gadget path f_uac1_legacy incorrectly handles control request length. Specifically, f_audio_complete() copies req->length bytes into a 4-byte stack variable (data) via memcpy, with req->length derived from host-controlled USB requests. This can ...

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

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

In CVE-2026-31701, the Linux kernel ALSA caiaq driver (USB audio) stored a pointer to the parent usb_device without a reference. The snd_usb_caiaq_card_free() path can run after the USB device is disconnected, dereferencing freed memory (use-after-free). The fix is to take a reference on the USB ...

CLSA-2026-1777614769 kernel: Fix of 13 CVEs

crypto: algifaead - Fix minimum RX size check for decryption - crypto: afalg - Fix page reassignment overflow in afalgpulltsgl - crypto: authencesn - Fix src offset when decrypting in-place - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption - crypto: authenc - use...

CLSA-2026-1777637310 Fix of 13 CVEs

CVE-2026-31431 - crypto: authencesn - reject too-short AAD assoclen8 to match ESP/ESN spec CVE-2026-31431 - crypto: scatterwalk - Backport memcpysglist CVE-2026-31431 - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption CVE-2026-31431 - crypto: authencesn - Fix src...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2024-26584: net/tls: return ENOTSUPP on tlsinit bsc1220186. CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2025-39759: btrfs: qgroup: fix race between...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the usb usbtmc driver not refreshing the anchor URB in usbtmcrelease, which could lead to reuse after releas...

PT-2026-36362

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the eth get drvinfo function. This happens when a gadget device is reparented to /sys/devices/virtual during an unbind process, which clears the gadg...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the usb dwc2 gadget driver calling dwc2gadgetexitclockgating without holding a lock in the dwc2hsotgudcstop...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the usb ulpi driver releasing ulpi again after calling putdevice in the ulpiregisterinterface error path,...