Linux Distros Unpatched Vulnerability : CVE-2026-74654

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is clos...

PT-2026-79659

In the Linux kernel, the following vulnerability has been resolved: serial: 8250 dma: Clear stale RX state on shutdown serial8250 release dma terminates RX DMA and releases the channel, but leaves rx running set. If the port is closed while an RX transfer is active, the stale state remains while...

CVE-2026-53384

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dw: unregister 8250 port if clknotifierregister fails dw8250probe registers the 8250 port via serial8250register8250port and then, if the device has a clock, registers a clock notifier. If clknotifierregister fails,...

CVE-2026-53384 serial: 8250_dw: unregister 8250 port if clk_notifier_register() fails

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dw: unregister 8250 port if clknotifierregister fails dw8250probe registers the 8250 port via serial8250register8250port and then, if the device has a clock, registers a clock notifier. If clknotifierregister fails,...

PT-2026-61089

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free hazard exists in the dw8250 probe function. The function registers the 8250 port using serial8250 register 8250 port and subsequently attempts to register a clock notifi...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: serialcs: Fixed a memory leak in the error handling path. In the probe function, if the serialconfig function fails, data from info is leaking. A resource handling path should be added to free up this memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fixed PM usagecount for console handover When the console is enabled, univ8250consolesetup calls serial8250consolesetup before .dev is set to uartport. As a result, pmruntimegetsync will not be called. Later, when t...

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: serial: 8250: Fixed an oops in port-pm when calling uartchangepm Unloading a hardware-specific 8250 driver may cause an error “Unable to handle kernel paging request at virtual address” about ten seconds after unloading the drive...

SUSE CVE-2026-43061

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...

CVE-2026-43061 serial: 8250: Fix TX deadlock when using DMA

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...

CVE-2026-43061

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...

CVE-2026-43061 serial: 8250: Fix TX deadlock when using DMA

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...

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...

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 20.1070e 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 20.1050a 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...

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...

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 serial: 8250: Fix oops for port->pm on uart_change_pm()

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...