CVE-2026-97480 tty: serial: 8250: protect against NULL uart->port.dev in register

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: protect against NULL uart-port.dev in register serial8250register8250port conditionally copies uart-port.dev from up-port.dev only when up-port.dev is non-NULL: if up-port.dev uart-port.dev = up-port.dev; ... S...

PT-2026-98100

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A soft lockup can occur in the Interrupt Service Routine ISR when the host is flooded with messages during the startup phase. This issue stems from the lack of handling for the FIFO erro...

CVE-2026-97480

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: protect against NULL uart-port.dev in register serial8250register8250port conditionally copies uart-port.dev from up-port.dev only when up-port.dev is non-NULL: if up-port.dev uart-port.dev = up-port.dev; ... S...

PT-2026-104935

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: protect against NULL uart-port.dev in register serial8250 register 8250 port conditionally copies uart-port.dev from up-port.dev only when up-port.dev is non-NULL: if up-port.dev uart-port.dev = up-port.dev;...

CVE-2026-97481

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: fix possible ISR soft lockup There are rare cases in which the host gets stuck in the ISR because it is flooded with messages during the startup phase. The reason for the soft lockup in the ISR is the missing FIFO...

PT-2026-104997

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: fix possible ISR soft lockup There are rare cases in which the host gets stuck in the ISR because it is flooded with messages during the startup phase. The reason for the soft lockup in the ISR is the missing FIFO...

CVE-2026-97481: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: fix possible ISR soft lockup There are rare cases in which the host gets stuck in the ISR because it is flooded with messages during the startup phase. The reason for the soft lockup in the ISR is the missing FIFO...

PT-2026-98099

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the serial8250 register 8250 port function where uart-port.dev is conditionally copied from up-port.dev only if the latter is non-NULL. If both the existing uart slot...

CVE-2026-97480: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tty: serial: 8250: protect against NULL uart-port.dev in register serial8250register8250port conditionally copies uart-port.dev from up-port.dev only when up-port.dev is non-NULL: if up-port.dev uart-port.dev = up-port.dev; ... S...

Linux Distros Unpatched Vulnerability : CVE-2026-97481

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 possible ISR soft lockup There are rare cases in which the host gets stuck in the ISR because it is flooded with messages during the startup...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: 8250omap: Implementation of Errata i2310 According to Errata i23100, an erroneous timeout can be triggered if this erroneous interrupt is not cleared. This could lead to a surge in interrupts. Therefore, the Errata i2310...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: omap: Do not skip resource freeing if pmruntimeresumeandget fails. Returning an error code from .remove causes the driver core to emit a rather useless error message: remove callback returned a non-zero value. This...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

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 via a hardware-specific 8250 driver, the generic serial8250 driver takes over control of the port. Approximately 10 seconds later, an oops...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: 8250bcm7271: The leak in brcmuartprobe has been fixed. Matching reports: drivers/tty/serial/8250/8250bcm7271.c:1120: brcmuartprobe warning: “‘baudmuxclk’ from clkprepareenable was not released” lines: 1032. The issue has...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Fixed TX deadlock when using DMA The dmaengineterminateasync function does not guarantee that the dmatxcomplete callback will execute. Currently, this callback is the only place where dma-txrunning is cleared. If a...

Astra Linux – Vulnerability in Linux 5.10, 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...

Astra Linux – Vulnerability in Linux

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...

The vulnerability of the `serial8250_tx_dmaFlush()` function in the `drivers/tty/serial/8250/8250_dma.c` file of the console TTY driver in the Linux kernel’s parallel port allows a attacker to cause a service failure.

The vulnerability of the serial8250txdmaFlush function in the drivers/tty/serial/8250/8250dma.c file of the console TTY driver in the Linux kernel’s serial port module is related to deficiencies in the system’s segmentation control. Exploiting this vulnerability could allow an attacker to cause a...

AZL-97346 CVE-2026-74654 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is closed while an RX transfer is active, the stale state remains while rxch...

CVE-2026-74654

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is closed while an RX transfer is active, the stale state remains while rxch...