SUSE CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

DEBIAN-CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

UBUNTU-CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214 usb: gadget: f_tcm: fix deadlock in usbg_make_tpg()

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214

A deadlock vulnerability exists in the Linux kernel within the usb gadget f_tcm component. The issue occurs in usbg_make_tpg() because it holds the dep_lock while calling configfs_depend_item_unlocked(), which acquires the configfs root inode lock. This creates a circular lock dependency with con...

EUVD-2026-85943

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214 usb: gadget: f_tcm: fix deadlock in usbg_make_tpg()

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

CVE-2026-93214: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: fix deadlock in usbgmaketpg usbgmaketpg held deplock while calling configfsdependitemunlocked, which acquires the configfs root inode lock when operating across subsystems. This creates a circular lock dependen...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: ftcm: Fixed NULL pointer dereferencing in nexus handling The pointer tpg-tpgnexus in the USB Target driver is dynamically managed and tied to userspace configuration via ConfigFS. It can become NULL if the USB host...

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: usb: gadget: ftcm: Do not free the command immediately Do not release the command prematurely. Wait for the status completion of the sense status. The command can then be released. Otherwise, we will perform a double-release of t...

SUSE CVE-2026-80854

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

CVE-2026-80854

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

AZL-99537 CVE-2026-80854 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

CVE-2026-80854 usb: gadget: f_tcm: keep port count until LUN teardown completes

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

EUVD-2026-71304

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...

CVE-2026-80854

CVE-2026-80854 affects the Linux kernel USB gadget f_tcm (TCM backend) driver. The root cause is a race condition : usbg_port_unlink() decrements tpg_port_count in the fabric_pre_unlink() callback, before core_dev_del_lun() finishes draining active se_lun references. If the last-LUN unlink overla...

CVE-2026-80854 usb: gadget: f_tcm: keep port count until LUN teardown completes

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ftcm: keep port count until LUN teardown completes tcmusbgdropnexus permits session removal once tpgportcount reaches zero. However, usbgportunlink currently decrements that count from the fabricpreunlink callback,...