UBUNTU-CVE-2026-43342

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...

UBUNTU-CVE-2026-43343

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function...

CVE-2026-43343

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function...

CVE-2026-43343 usb: gadget: f_subset: Fix unbalanced refcnt in geth_free

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function...

CVE-2026-43343

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function...

CVE-2026-43343 usb: gadget: f_subset: Fix unbalanced refcnt in geth_free

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix unbalanced refcnt in gethfree gethalloc increments the reference count, but gethfree fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function...

CVE-2026-43343

CVE-2026-43343 affects the Linux kernel USB gadget f_subset code. The vulnerability stems from an unbalanced reference count: geth_alloc() increments the refcount, but geth_free() does not decrement it, which can block configuration of attributes via configfs after unlinking the function. The con...

CVE-2026-43342 usb: gadget: f_rndis: Protect RNDIS options with mutex

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...

CVE-2026-43342

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...

CVE-2026-43342

CVE-2026-43342 concerns the Linux kernel USB gadget RNDIS driver (f_rndis). The issue arises from race conditions when RNDIS options (class/subclass/protocol) are accessed concurrently via configfs, enabling unsafe concurrent access. The remediation implemented is to protect these options using a...

CVE-2026-43342

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...

CVE-2026-43342 usb: gadget: f_rndis: Protect RNDIS options with mutex

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This...

CVE-2026-43327 USB: dummy-hcd: Fix locking/synchronization error

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

Linux kernel 安全漏洞

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,...

Linux Distros Unpatched Vulnerability : CVE-2026-43342

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: frndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrentl...

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...

Linux kernel 安全漏洞

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 安全漏洞

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 gadget fncm driver holding a mutex lock protection condition in the ncmsetalt function...

PT-2026-38994

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An unbalanced reference count occurs in the f subset USB gadget driver. The geth alloc function increments the reference count, but the geth free function fails to decrement it. This iss...

PT-2026-39083

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the legacy NCM driver within the gncm bind function. This issue arises because the driver attempts to access the net device before it is fully...