The vulnerability of the mct_u232_read_int_callback() function in the drivers/usb/serial/mct_u232.c module of the Linux operating system’s USB device driver allows a hacker to cause a service failure.

The vulnerability of the mctu232readintcallback function in the drivers/usb/serial/mctu232.c file of the Linux device driver for USB devices relates to the use of an uninitialized resource. Exploiting this vulnerability could allow a attacker to cause a service failure...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-073353)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-073353 advisory. In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix memory corruption with small endpoint The driver overrides the maximum...

SUSE CVE-2026-63897

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

SUSE CVE-2026-63898

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increas...

Linux Distros Unpatched Vulnerability : CVE-2026-63897

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale o...

CVE-2026-63898 USB: serial: mct_u232: fix memory corruption with small endpoint

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increas...

EUVD-2026-45671

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increas...

CVE-2026-63897 USB: serial: mct_u232: fix missing interrupt-in transfer sanity check

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

CVE-2026-63898: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increas...

CVE-2026-63897: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mctu232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data and leaking it to user space...

Security update for the Linux Kernel (important)

The openSUSE Leap 42.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2016-2847: Limit the per-user amount of pages allocated in pipes bsc970948. - CVE-2016-3136: mctu232: add sanity checking in probe bnc970955. - CVE-2016-2188: iowarrio...

CVE-2016-3136

The mctu232msrtostate function in drivers/usb/serial/mctu232.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service NULL pointer dereference and system crash via a crafted USB device without two interrupt-in endpoint descriptors...

CVE-2016-3136: Undefined Security Weakness

The mctu232msrtostate function in drivers/usb/serial/mctu232.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service NULL pointer dereference and system crash via a crafted USB device without two interrupt-in endpoint descriptors...