Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the USB Yurex driver’s detection process. During this process, the BBU members are not set to an...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of the usbtmc driver to call usbbulkmsg with a timeout value specified by the user. This...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of mutual exclusion protection for class/subclass/protocol options in USB Gadget FRNDIS...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the usb class CCDC-WDM driver’s ability to reorder the update of desc-length during code reading,...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the USB Renesas USBH driver. When a device is removed, the interrupt handler remains registered,...

Linux Distros Unpatched Vulnerability : CVE-2026-43343

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the...

Linux Distros Unpatched Vulnerability : CVE-2026-43430

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handle...

Linux Distros Unpatched Vulnerability : CVE-2026-43327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in...

Linux Distros Unpatched Vulnerability : CVE-2026-43421

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysf...

CVE-2026-43430: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values before the URB whose completion handler sets bbu is submitted. Otherwise there is a window during which...

PT-2026-39085

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the USB Target driver's nexus handling. The tpg-tpg nexus pointer is dynamically managed via ConfigFS and can be NULL if a USB host sends requests...

PT-2026-39089

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The usb control msg, usb bulk msg, and usb interrupt msg APIs in usbcore allow unlimited timeout durations. Because these APIs utilize uninterruptible waits, a task can be hung...

CVE-2026-43436: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces The Scarlett2 mixer quirk in USB-audio driver may hit a NULL dereference when a malformed USB descriptor is passed, since it assumes the presence of an...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the gethfree function in the USB gadget subset not decrementing the reference count. As a result,...

PT-2026-39092

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs when reading portli debugfs files. This happens when the number of port registers counted in xhci-max ports exceeds the ports reported by Supported...

PT-2026-39097

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL dereference can occur in the USB-audio driver's Scarlett2 mixer quirk when processing a malformed USB descriptor. This happens because the scarlett2 find fc interface function...

PT-2026-39084

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the usb gadget f ncm component where the ncm set alt function holds a mutex to prevent races with configfs. This action invokes a sleeping function within an atomic...

PT-2026-39082

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the f ncm USB gadget driver allows a network device to outlive its parent gadget device during disconnection. This leads to dangling sysfs links and null pointer dereference...

CVE-2026-43421: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysfs links and null pointer dereference problems. A prior attempt to sol...

CVE-2026-43324: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix interrupt synchronization error This fixes an error in synchronization in the dummy-hcd driver. The error has a somewhat involved history. The synchronization mechanism was introduced by commit 7dbd8f4cabd9...