PT-2026-52246

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 property entry valid function accepts entries with a length of 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry...

PT-2026-52242

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 xdomain copy function copies req-response size bytes from the received packet buffer without considering the actual frame size. ...

PT-2026-52244

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 xdp properties request function derives the per-packet copy length from the response header without verifying if it fits within...

PT-2026-52245

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 property parse dir function fails to verify if the sum of content offset and content len fits within the block len for the root...

ROS-20260524-73-0054

Vulnerability in nextcloud related to the use of dangerous methods or features. Exploitation of the vulnerability could allow an attacker to directly access the memory of a computing device to which thunderbolt-enabled devices are connected...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Thunderbolt: Fixed a use-after-free in tbdpdprxwork. The original code relied on canceldelayedwork in tbdpdprxstop, which does not ensure that the delayed work item tunnel-dprxwork has fully completed if it was already running...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Thunderbolt: Fixed a memory leak in margining. The memory associated with usb4-margining needs to be released for the upstream port of the router. This issue also affects the debugfs directory when the router device is removed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed the requirement that devices managed by PME polling must be in the RPMACTIVE state. The fix notes that devices managed by runtime PM need to be in the RPMACTIVE state for PME polling. In fact, only devices in low-power...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Thunderbolt: A memory leak has been fixed in tbhandledpbandwidthrequest. The memory allocated in tbqueuedpbandwidthrequest needs to be released once the request is processed to prevent further leakage...

PT-2026-61210

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer wrap occurs in the tb property entry valid function when calculating the sum of entry-value u32 and entry-length u16. A malicious XDomain peer can provide specific values that...

PT-2026-61209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the thunderbolt property handling where the tb property parse dir function fails to properly validate the dir len value derived from entry-length. When dir len is less...

PT-2026-44257

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description A NULL dereference occurs in the Linux kernel when the cros typec register thunderbolt function fails to initialize the adata-lock mutex. This issue manifests when the uninitialized mutex i...

kernel security update

6.12.0-124.55.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

kernel security update

5.14.0-611.54.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013836)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013836 advisory. In the Linux kernel, the following vulnerability has been resolved: igb: Fix igbdown hung on surprise removal In a setup where a Thunderbolt hub connects to Ethernet...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011095)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011095 advisory. In the Linux kernel, the following vulnerability has been resolved: igb: Fix igbdown hung on surprise removal In a setup where a Thunderbolt hub connects to Ethernet...

[SECURITY] Fedora 44 Update: plasma-thunderbolt-6.6.4-1.fc44

Plasma Sytem Settings module and a KDED module to handle authorization of Thunderbolt devices connected to the computer. There's also a shared library libkbolt that implements common interface between the modules and the system-wide bolt daemon, which does the actual hard work of talking to the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005716)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005716 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...

USN-8029-3: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

ROS-20260220-73-0014

A vulnerability in the tbcfgrequestdequeue function of the drivers/thunderbolt/ctl.c module of the Linux kernel is related to insufficient input validation. Exploitation of the vulnerability could allow an attacker to cause a denial of service...