CVE-2026-10663

In Zephyr's experimental USB host stack CONFIGUSBHOSTSTACK, usbhdevicedisconnect subsys/usb/host/usbhdevice.c freed the root usbdevice slab object without clearing the cached pointer ctx-root. The bus removal handler devremovedhandler subsys/usb/host/usbhcore.c decides what to tear down solely fr...

CVE-2026-10663

The vulnerability CVE-2026-10663 affects Zephyr’s experimental USB host stack (CONFIG_USB_HOST_STACK). freed root usb_device slab in usbh_device_disconnect() leaves ctx->root dangling; bus removal handler dev_removed_handler() uses ctx->root to decide teardown. Synthesis of DEV_REMOVED even...

CVE-2026-10663 Use-after-free / double-free of the root USB device in the experimental USB host stack

In Zephyr's experimental USB host stack CONFIGUSBHOSTSTACK, usbhdevicedisconnect subsys/usb/host/usbhdevice.c freed the root usbdevice slab object without clearing the cached pointer ctx-root. The bus removal handler devremovedhandler subsys/usb/host/usbhcore.c decides what to tear down solely fr...

CVE-2026-10663 Use-after-free / double-free of the root USB device in the experimental USB host stack

In Zephyr's experimental USB host stack CONFIGUSBHOSTSTACK, usbhdevicedisconnect subsys/usb/host/usbhdevice.c freed the root usbdevice slab object without clearing the cached pointer ctx-root. The bus removal handler devremovedhandler subsys/usb/host/usbhcore.c decides what to tear down solely fr...

PT-2026-57565

In Zephyr's experimental USB host stack CONFIG USB HOST STACK, usbh device disconnect subsys/usb/host/usbh device.c freed the root usb device slab object without clearing the cached pointer ctx-root. The bus removal handler dev removed handler subsys/usb/host/usbh core.c decides what to tear down...

CVE-2026-10656: NULL Pointer Dereference

The MAX32xxx USB device controller driver drivers/usb/udc/udcmax32.c, compatible adimax32usbhs dereferenced an endpoint buffer in its OUT and IN transfer-completion handlers without checking it for NULL. udceventxferoutdone called netbufaddbuf, eprequest-actlen immediately after buf =...

EUVD-2026-40235

The USB CDC-NCM device class subsys/usb/devicenext/class/usbdcdcncm.c ignores the return value of usbdepenqueue in its ethernet transmit callback cdcncmsend. When the enqueue fails, the function still calls ksemtake&data-syncsem, KFOREVER, blocking on a completion semaphore that is only ever...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021543)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021543 advisory. In the Linux kernel, the following vulnerability has been resolved: xhci: Remove device endpoints from bandwidth list when freeing the device Endpoints are normally...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021622)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021622 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: host: xhci: Fix potential memory leak in xhciallocstreaminfo xhciallocstreaminfo allocates...

Linux Distros Unpatched Vulnerability : CVE-2026-43488

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: xhci: Prevent interrupt storm on host controller error HCE The xHCI controller reports a Host Controller Error HCE in UAS Storage Device plug/unplug...

CVE-2026-43432

A flaw was found in the Linux kernel's USB xHCI host controller driver. The error handling path in the xhcidisableslot function incorrectly frees only a portion of the allocated memory, leading to a memory leak of the completion structure. This issue, which can be triggered under specific hardwar...

CVE-2026-43290

A flaw was found in the Linux kernel's uvcvideo module. This vulnerability occurs when the startstreaming function fails to return queued buffers due to an error in uvcpmget. A local attacker could potentially trigger this condition, leading to system instability or a denial of service DoS by...

EUVD-2026-28737

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix NULL pointer dereference when reading portli debugfs files Michal reported and debgged a NULL pointer dereference bug in the recently added portli debugfs files Oops is caused when there are more port registers counted ...

CVE-2026-43431

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix NULL pointer dereference when reading portli debugfs files Michal reported and debgged a NULL pointer dereference bug in the recently added portli debugfs files Oops is caused when there are more port registers counted ...

CVE-2026-43432

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix memory leak in xhcidisableslot xhcialloccommand allocates a command structure and, when the second argument is true, also allocates a completion structure. Currently, the error handling path in xhcidisableslot only...

CVE-2026-43432

CVE-2026-43432 relates to the Linux kernel USB xHCI driver. The error path in usb/xhci_disable_slot() previously freed only the command structure (via kfree), leaking the associated completion structure. The patch changes the code to call xhci_free_command() , which frees both the command structu...

Ubuntu Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi Real-time) vulnerabilities (USN-8204-1)

"The remote Ubuntu Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8204-1 advisory. Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly...

USN-8179-3: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8185-1: Linux kernel (NVIDIA) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...