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 failure to clear the txrunning flag when canceling TX DMA transfers via the 8250 serial port...

CVE-2026-43061: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fix TX deadlock when using DMA dmaengineterminateasync does not guarantee that the dmatxcomplete callback will run. The callback is currently the only place where dma-txrunning gets cleared. If the transaction is...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014325)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014325 advisory. 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...

The vulnerability in the function `serial8250_unregister_port()` of the `drivers/tty/serial/8250/8250_core.c` file, a driver for console TTY support on the serial port of the Linux kernel, allows a attacker to cause a service failure.

The vulnerability of the serial8250unregisterport function in the driver/tty/serial/8250/8250core.c file of the console support driver for the serial port in the Linux kernel is related to the failure to release resources after their useful period has ended. Exploiting this vulnerability could...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013510)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013510 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Reinit port-pm on port specific driver unbind When we unbind a serial port hardware...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013333)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013333 advisory. 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...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011197)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011197 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Reinit port-pm on port specific driver unbind When we unbind a serial port hardware...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-011280)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011280 advisory. 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...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006890)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006890 advisory. 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...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006746)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006746 advisory. 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...

ROS-20260408-73-0004

A vulnerability in the drivers/tty/serial/8250 component of the Linux operating system kernel is related to simultaneous execution using a shared resource with improper synchronization. Exploitation of the vulnerability allows an attacker to cause a denial of service...

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...

PT-2026-37064

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A TX deadlock occurs when using DMA in the 8250 serial driver. The dmaengine terminate async function does not guarantee the execution of the dma tx complete callback, which is the only...

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...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2023-54220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

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-2023-54220

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...

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...