CVE-2026-31743 HIGH

CVE-2026-31743: nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy

Vendor Linux
Product Linux
Published May 1, 2026
Last update May 11, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy Buffer size used in dma allocation and memcpy is wrong. It can lead to undersized DMA buffer access and possible memory corruption. use correct buffer size in dma_alloc_coherent and memcpy.

Key dates

02Disclosure timeline

May 1, 2026 CVE published
May 11, 2026 Record updated