Dashboard / CVE-2026-64234

CVE-2026-64234

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-07-24 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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.

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
linux linux_kernel 2.6.38 – 5.10.259
linux linux_kernel 7.1
linux linux_kernel 7.1
linux linux_kernel 7.1
linux linux_kernel 7.1
linux linux_kernel 7.1

References & Advisories (8)

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.11%
Raw Score 0.001150
Percentile 1.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00115
2026-11-12
0.00115
2026-11-10
0.00115
2026-11-09
0.00115
2026-11-08
0.00115

Intelligence Sources

nvd ref →

External Links