Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fixed a reference count leak in pchrequestdma. According to the comments on pcigetslot, it returns a pcidevice with its reference count increased. The caller must decrement the reference count by calling pcidevput...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013772)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013772 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fix PCI device refcount leak in pchrequestdma As comment of pcigetslot says, it...

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

The vulnerability of the pchrequestdma function in the drivers/tty/serial/pchuart.c file of the TTY driver in the Linux kernel’s serial port module is related to errors during link counters updates. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2022-50576

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fix PCI device refcount leak in pchrequestdma As comment of pcigetslot says, it returns a pcidevice with its refcount increased. The caller must decrement the reference count by calling pcidevput. Since 'dmadev' is...