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...

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-2026-53384

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,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986311)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986311 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: 8250port: Check IRQ data before use In case the leaf driver wants to use IRQ polling irq ...

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 improper handling of PM usagecount during console switching on the 8250 serial port...

The vulnerability of the 8250_port component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the 8250port component in the Linux operating system is related to pointer swapping errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

DEBIAN-CVE-2023-52567

In the Linux kernel, the following vulnerability has been resolved: serial: 8250port: Check IRQ data before use In case the leaf driver wants to use IRQ polling irq = 0 and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can be NULL. In such a case we need to skip...

UBUNTU-CVE-2023-52567

In the Linux kernel, the following vulnerability has been resolved: serial: 8250port: Check IRQ data before use In case the leaf driver wants to use IRQ polling irq = 0 and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can be NULL. In such a case we need to skip...

PT-2023-8799

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the Linux kernel's 8250 port component, where an error in handling IRQ data can lead to a kernel NULL pointer dereference. This occurs when the leaf driver uses I...