CVE-2026-64234

Published: Jul 24, 2026Modified: Aug 12, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pch_uart: add check for dma_alloc_coherent() Add a check for dma_alloc_coherent() failure to prevent a potential NULL pointer dereference in dma_handle_rx(). Properly release DMA channels and the PCI device reference using a goto ladder if the allocation fails.

Affected (12)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 2.6.38 to 5.10.259
Linux Linux Kernel	From 5.11 to 5.15.210
Linux Linux Kernel	From 5.16 to 6.1.176
Linux Linux Kernel	From 6.13 to 6.18.35
Linux Linux Kernel	From 6.19 to 7.0.12
Linux Linux Kernel	From 6.2 to 6.6.143
Linux Linux Kernel	From 6.7 to 6.12.93
Linux Linux Kernel	Version 7.1 rc1
Linux Linux Kernel	Version 7.1 rc2
Linux Linux Kernel	Version 7.1 rc3
Linux Linux Kernel	Version 7.1 rc4
Linux Linux Kernel	Version 7.1 rc5