CVE-2023-6238

Kernel: nvme: memory corruption via unprivileged user passthrough

Published Nov 21, 2023 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-58484 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 17, 2024, 6:01 PM
Reserved
Nov 21, 2023, 11:09 AM
Status
Modified
Published
Nov 21, 2023, 9:15 PM
Modified
Jun 17, 2026, 6:50 AM
Severity
Low
Public date
Oct 13, 2023, 12:00 AM