VYPR
Medium severity5.5NVD Advisory· Published Jul 24, 2026· Updated Aug 12, 2026

CVE-2026-64234

CVE-2026-64234

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 products

21

Patches

Vulnerability mechanics

References

8

News mentions

1