Siemens SIMATIC S7-1500 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-2025-39724)

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: fix panic due to PSLVERR When the PSLVERRRESPEN parameter is set to 1, the device generates an error response if an attempt is made to read an empty RBR Receive Buffer Register while the FIFO is enabled. In...

UBUNTU-CVE-2026-23115

In the Linux kernel, the following vulnerability has been resolved: serial: Fix not set tty-port race condition Revert commit bfc467db60b7 "serial: remove redundant ttyportlinkdevice" because the ttyportlinkdevice is not redundant: the tty-port has to be confured before we call uartconfigureport,...

CVE-2026-23115 serial: Fix not set tty->port race condition

In the Linux kernel, the following vulnerability has been resolved: serial: Fix not set tty-port race condition Revert commit bfc467db60b7 "serial: remove redundant ttyportlinkdevice" because the ttyportlinkdevice is not redundant: the tty-port has to be confured before we call uartconfigureport,...

The vulnerability of the brcmuart_probe() function in the drivers/tty/serial/8250/8250_bcm7271.c file of the console TTY driver in the Linux kernel’s serial port module allows a attacker to cause a service failure.

The vulnerability of the brcmuartprobe function in the drivers/tty/serial/8250/8250bcm7271.c file of the console TTY driver in the Linux kernel’s serial port module is related to improper memory release memory leak. Exploiting this vulnerability could allow an attacker to cause a system failure...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004873)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004873 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in uccuart.c In socinfo, offindnodebytype will return a node...

ROS-20260119-7381

A vulnerability in the drivers/tty/serial/xilinxuartps.c component of the Linux operating system kernel is related to insufficient locking. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001188)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001188 advisory. The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveragi...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000690)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000690 advisory. Multiple buffer overflows in the commandportreadcallback function in drivers/usb/serial/whiteheat.c in the Whiteheat USB Serial Driver in the Linux kernel before...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001212)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001212 advisory. In changeportsettings in drivers/usb/serial/ioti.c in the Linux kernel before 4.11.3, local users could cause a denial of service by division-by-zero in the serial...

CVE-2020-7523

Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver see security notification for versions which could cause local privilege escalation when the Modbus Serial Driver service is invoked. The driver does not properly assign, modify, track, or check privileg...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992738)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992738 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in uccuart.c In socinfo, offindnodebytype will return a node...

EUVD-2023-60503

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: fix leak in brcmuartprobe Smatch reports: drivers/tty/serial/8250/8250bcm7271.c:1120 brcmuartprobe warn: 'baudmuxclk' from clkprepareenable not released on lines: 1032. The issue is fixed by using a managed...

EUVD-2023-60421

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fix oops for port-pm on uartchangepm Unloading a hardware specific 8250 driver can produce error "Unable to handle kernel paging request at virtual address" about ten seconds after unloading the driver. This happens...

CVE-2023-54220

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fix oops for port-pm on uartchangepm Unloading a hardware specific 8250 driver can produce error "Unable to handle kernel paging request at virtual address" about ten seconds after unloading the driver. This happens...

UBUNTU-CVE-2023-54301

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: fix leak in brcmuartprobe Smatch reports: drivers/tty/serial/8250/8250bcm7271.c:1120 brcmuartprobe warn: 'baudmuxclk' from clkprepareenable not released on lines: 1032. The issue is fixed by using a managed...

CVE-2023-54301 serial: 8250_bcm7271: fix leak in `brcmuart_probe`

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: fix leak in brcmuartprobe Smatch reports: drivers/tty/serial/8250/8250bcm7271.c:1120 brcmuartprobe warn: 'baudmuxclk' from clkprepareenable not released on lines: 1032. The issue is fixed by using a managed...

CVE-2023-54301 serial: 8250_bcm7271: fix leak in `brcmuart_probe`

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: fix leak in brcmuartprobe Smatch reports: drivers/tty/serial/8250/8250bcm7271.c:1120 brcmuartprobe warn: 'baudmuxclk' from clkprepareenable not released on lines: 1032. The issue is fixed by using a managed...

CVE-2023-54287 tty: serial: imx: disable Ageing Timer interrupt request irq

In the Linux kernel, the following vulnerability has been resolved: tty: serial: imx: disable Ageing Timer interrupt request irq There maybe pending USR interrupt before requesting irq, however uartaddoneport has not executed, so there will be kernel panic: 0.795668 Unable to handle kernel NULL...

EUVD-2023-60309

In the Linux kernel, the following vulnerability has been resolved: serial: sprd: Fix DMA buffer leak issue Release DMA buffer when probe returns failure to avoid memory leak...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure to free DMA buffers when sprd serial driverprobe fails, which could lead to a memory leak...