CVE-2026-80861

A flaw was found in the Linux kernel's USB eXtensible Host Controller Interface xHCI driver. When an xHCI host controller is inaccessible during its setup process, the driver attempts to read from an incorrectly calculated memory address. This unaligned memory access can cause a kernel panic,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fixed an issue where unregister was called again after module exit due to a failure in ttyregisterdriver. If ttyregisterdriver fails, it releases the reference, but fails to set dbcttydriver to NULL, causing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: usb: xhci: A memory leak was fixed in xhcidisableSlot. xhcialloccommand allocates a command structure. When the second argument is true, it also allocates a completion structure. Currently, the error handling code in...

CVE-2026-101309

The xHCI USB 3 device model did not validate or save the event ring size provided by the guest. The size was re-read from guest memory on each use, and Transfer Request Block TRB fields were loaded without protection against concurrent modification by the guest. This race condition could be...

CVE-2026-101309 Multiple vulnerabilities in bhyve device models

The xHCI USB 3 device model did not validate or save the event ring size provided by the guest. The size was re-read from guest memory on each use, and Transfer Request Block TRB fields were loaded without protection against concurrent modification by the guest. This race condition could be...

EUVD-2026-101932

The xHCI USB 3 device model did not validate or save the event ring size provided by the guest. The size was re-read from guest memory on each use, and Transfer Request Block TRB fields were loaded without protection against concurrent modification by the guest. This race condition could be...

CVE-2026-101309

The bhyve hypervisor contains a race condition in its xHCI (USB 3) device model. The model fails to validate or save the event ring size provided by the guest, re-reading it from guest memory on each use. Furthermore, Transfer Request Block (TRB) fields are loaded without protection against concu...

FreeBSD : FreeBSD -- Multiple vulnerabilities in bhyve device models (3f9e602e-c849-11f1-ada3-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 3f9e602e-c849-11f1-ada3-bc241121aa0a advisory. Several vulnerabilities were found in the bhyve hypervisor's device models. The xHCI USB 3...

PT-2026-114820

Name of the Vulnerable Software and Affected Versions bhyve affected versions not specified Description The xHCI USB 3 device model fails to validate or save the event ring size provided by the guest. Because the size is re-read from guest memory during each use, Transfer Request Block TRB fields...

FreeBSD -- Multiple vulnerabilities in bhyve device models

Problem Description: Several vulnerabilities were found in the bhyve hypervisor's device models. The xHCI USB 3 device model did not validate or save the event ring size provided by the guest. The size was re-read from guest memory on each use, and Transfer Request Block TRB fields were loaded...

CVE-2026-90015

A flaw was found in the Linux kernel's xHCI eXtensible Host Controller Interface driver. This vulnerability occurs when the driver processes large, fragmented USB data transfers, leading to incorrect handling of memory buffers. An attacker with local access or a malicious USB device could exploit...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: Fixed an issue where shared HCDs were leaked when attempting to set the wake-up IRQ. The issue occurred because it was not possible to set @sharedhcd to NULL before reducing the usage count using usbputhcd. This...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: usb: host: xhci: Fixed a potential memory leak in xhciallocstreaminfo The xhciallocstreaminfo function allocates a stream context array for streaminfo-streamctxarray using xhciallocstreamctx. When an error occurs, the...

Astra Linux – Vulnerability in Qemu

QEMU 5.0.0 has a use-after-free issue in the hw/usb/hcd-xhci.c file, as the return value of usbpacketmap is not checked...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Error handling was added in xhcimapurbfordma. Currently, xhcimapurbfordma creates a temporary buffer and copies the SG list to the new linear buffer. However, if kzallocnode fails, the call to sgpcopytobuffer may lead ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xhci: fixed the issue where lost bounce buffers occur when TDs span several ring segments. When a TD reaches a link TRB with data that is not aligned with the endpoint’s wMaxPacketSize, the xhciAligntd function stages the unalign...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: tegra: fix sleep in atomic call When we set the dual-role port to Host mode, we observed the following issues: - Splat: 167.057718 BUG: Sleeping function called from invalid context at include/linux/sched/mm.h:229...

UBUNTU-CVE-2026-17588

hw/usb/hcd-xhci: Set reentrancy guard in timer functions...

CVE-2026-17588

hw/usb/hcd-xhci: Set reentrancy guard in timer functions...

CVE-2026-97430

A flaw was found in the Linux kernel's USB eXtensible Host Controller Interface xHCI driver. When the host controller is inaccessible during power management operations, such as system suspend or resume, new commands are not properly prevented from being added to the command ring. A local user...