Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fixed the 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...

Linux kernel serial port Heap Buffer Overflow DoS

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...

PT-2023-34475

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 2.6.38 through 5.10.162 Description A potential security issue exists due to a PCI device refcount leak in the pch request dma function. The actual impact and attack plausibility have not yet been proven. Recommendations...

PT-2023-34162

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.86 Description The issue concerns a PCI device refcount leak in the pch request dma function. This leak was introduced in version v2.6.38 and is fixed in version v5.15.86. The actual impact and attack...

PT-2023-33750

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v6.0.16 Description The issue is related to a PCI device refcount leak in the pch request dma function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel version...

PT-2023-34673

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.9.337 Description The issue is related to a PCI device refcount leak in the pch request dma function. This leak was introduced in version v2.6.38 and is fixed in version v4.9.337. The actual impact and attack...

PT-2025-43086

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a resource leak in the pch request dma function related to PCI device reference counting. The pci get slot function increases the reference count of a PCI devic...