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

The vulnerability of the formatdwdata function in the drivers/thunderbolt/property.c module of the general support driver for USB4 and Thunderbolt in Linux’s operating system is related to the execution of operations outside of the buffer. Exploiting this vulnerability could allow a malicious act...

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 operating system is related to the execution of operations outside of the buffer. Exploiting this vulnerability could allow an...

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...

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 hacker 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 Linux operating system’s general support driver for USB4 and Thunderbolt is related to the execution of operations outside of 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...

SUSE 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...

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...

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...

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...

PT-2026-84934

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the thunderbolt component where the tb consumed dp bandwidth function uses a Group ID directly to index the group reserved array. Because the array only contains MAX...

CVE-2026-80736: Undefined Security Weakness

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...

SUSE CVE-2026-72157

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Fix frags overflow by bounding framecount tbnetpoll assembles a multi-frame ThunderboltIP packet into one skb. The first frame goes into the skb linear area and every further frame is added as a page fragment...

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...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098865)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098865 advisory. In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tbxdphandlerequest casts the...

The vulnerabilities in the functions tb_dp_dprx_work() and tb_dp_dprx_stop() of the drivers/thunderbolt/tunnel.c module of the general support driver for USB4 and Thunderbolt in the Linux operating system allow attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the functions tbdpdprxwork and tbdpdprxstop in the drivers/thunderbolt/tunnel.c module, a common support module for USB4 and Thunderbolt in Linux operating systems, stems from the reutilization of previously freed memory due to competitive access to resources during a “race...