CVE-2023-6238

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 21, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-6238: Medium severity, CVSS 6.7 | Vulnix