PT-2026-90120

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Release the Rx HopID that was handed out on mismatch tb xdomain alloc in hopid passes the wanted HopID to ida alloc range as the lower bound, so a taken id is not an error there: the allocator returns the next...

PT-2026-90119

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Mark the connection down when bringing it up fails Every failure path in tbnet connected work undoes its own work and returns without clearing login sent, so the connection still looks established. The next tbne...

Linux Distros Unpatched Vulnerability : CVE-2026-80736

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved...

The vulnerability of the __tb_property_parse_dir() function in the drivers/thunderbolt/property.c module of the general support for USB4 and Thunderbolt driver in the Linux operating system allows a hacker to disclose protected information or cause service failures.

The vulnerability of the tbpropertyparsedir function in the drivers/thunderbolt/property.c module of the general support for USB4 and Thunderbolt driver in the Linux kernel is related to the execution of operations outside of the buffer boundaries. Exploiting this vulnerability could allow an...

The vulnerability of the tb_xdomain_match() function in the drivers/thunderbolt/xdomain.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system allows a attacker to compromise the confidentiality and integrity of the protected information.

The vulnerability of the tbxdomainmatch function in the drivers/thunderbolt/xdomain.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability could allow a...

The vulnerability of the tb_xdp_properties_request() function in the drivers/thunderbolt/xdomain.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tbxdppropertiesrequest function in the drivers/thunderbolt/xdomain.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could...

The vulnerability of the tbproperty_entry_valid() function in the drivers/thunderbolt/property.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tbpropertyentryvalid function in the drivers/thunderbolt/property.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system is related to the possibility of integer overflow. Exploiting this vulnerability could allow an attacker to...

CVE-2026-80736

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

CVE-2026-80736

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

UBUNTU-CVE-2026-80736

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

CVE-2026-80736

CVE-2026-80736 is an out-of-bounds array indexing flaw in the Linux kernel's Thunderbolt subsystem , specifically in the tb_consumed_dp_bandwidth() function. Valid bandwidth group IDs range from 1 through MAX_GROUPS, but the local group_reserved[] array only has MAX_GROUPS entries (indices 0–MAX_...

CVE-2026-80736 thunderbolt: Fix bandwidth group reservation indexing

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

EUVD-2026-70340

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

CVE-2026-80736 thunderbolt: Fix bandwidth group reservation indexing

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix bandwidth group reservation indexing Valid bandwidth group IDs range from 1 through MAXGROUPS, while Group ID 0 is reserved. tbconsumeddpbandwidth uses the Group ID directly to index its local groupreserved array...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098685)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098685 advisory. In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Do not double dequeue a configuration request Some of our devices crash in...

CVE-2026-74585

A flaw was found in the Linux kernel's Thunderbolt driver. A malicious or malformed Thunderbolt device can provide an invalid port number, leading to an out-of-bounds memory access. This can result in memory corruption and potentially lead to a denial of service or other unspecified impacts...

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

In the Linux kernel, the following vulnerability has been resolved: igb: Fixed the issue where igbdown got hung when removing the Thunderbolt hub. In a setup where a Thunderbolt hub is connected to Ethernet and a display via USB Type-C, users may experience a task-hanging timeout when they remove...

SUSE CVE-2026-74585

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Bound the DROM dual link port number before indexing sw-ports tbdromparseentryport validates the device-supplied header-index against sw-config.maxportnumber before indexing sw-ports, but the sibling field...

SUSE CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...

CVE-2026-74691

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Tear down DMA paths before stopping the rings tbnetteardown stops both rings and frees their frame buffers before calling tbxdomaindisablepaths. tbringstop zeroes the ring's descriptor base and tbnetfreebuffers...