PT-2026-93656

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xHCI driver where Transfer Descriptors TDs spanning three or more ring segments can lead to lost bounce buffers. When a TD is not aligned to the endpoint's...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the USB redirector device usb-redir of QEMU. Small USB packets are combined into a single, large transfer request, in order to reduce overhead and improve performance. The combined size of the bulk transfer is used to dynamically allocate a variable length array VLA on th...

CVE-2026-24681

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, aAsynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urbwritecompletion. This vulnerability is fixed in 3.22.0...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989018)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989018 advisory. In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987578)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987578 advisory. In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not...

CVE-2023-53523 can: gs_usb: fix time stamp counter initialization

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: fix time stamp counter initialization If the gsusb device driver is unloaded or unbound before the interface is shut down, the USB stack first calls the struct usbdriver::disconnect and then the struct...

SUSE CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

DEBIAN-CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

UBUNTU-CVE-2021-47474

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

UBUNTU-CVE-2021-47475

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix transfer-buffer overflows The driver uses endpoint-sized USB transfer buffers but up until recently had no sanity checks on the sizes. Commit e1f13c879a7c "staging: comedi: check validity of wMaxPacketSize of...

CVE-2021-47475 comedi: vmk80xx: fix transfer-buffer overflows

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix transfer-buffer overflows The driver uses endpoint-sized USB transfer buffers but up until recently had no sanity checks on the sizes. Commit e1f13c879a7c "staging: comedi: check validity of wMaxPacketSize of...

CVE-2021-47475 comedi: vmk80xx: fix transfer-buffer overflows

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix transfer-buffer overflows The driver uses endpoint-sized USB transfer buffers but up until recently had no sanity checks on the sizes. Commit e1f13c879a7c "staging: comedi: check validity of wMaxPacketSize of...

CVE-2021-47474 comedi: vmk80xx: fix bulk-buffer overflow

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doi...

CVE-2021-47474

CVE-2021-47474 affects the Linux kernel driver family for comedi vmk80xx. The vulnerability arises from the driver using endpoint-sized buffers while assuming tx and rx buffers are equal size; a malicious device could overflow the slab-allocated receive buffer during bulk transfers. The issue is ...

QEMU: usbredir: free() call on invalid pointer in bufp_alloc()

A flaw was found in the USB redirector device emulation of QEMU. It occurs when dropping packets during a bulk transfer from a SPICE client due to the packet queue being full. A malicious SPICE client could use this flaw to make QEMU call free with faked heap chunk metadata, resulting in a crash ...

PT-2021-7379

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description A flaw was found in the USB redirector device of QEMU, where small USB packets are combined into a single, large transfer request to improve performance. The combined size of the bulk transfer i...