CVE-2026-64234

MediumCVSS 5.5/10Last modified Aug 12, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Jul 24, 2026
Last modified
Aug 12, 2026
NVD status
Analyzed

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CVE-2026-64234: Medium severity, CVSS 5.5 | Vulnix